exam-n (5may14)

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+
+exam-n: LaTeX class file for exams, version 1.1, 2014 May 03.
+[ Mercurial revision 6f818b549982, 2014-05-03 13:42 +0100, tag 1.1 + 0 ]
+
+
+Overview
+--------
+
+The class is designed to be localised to a particular institution's
+exam layout, by a suitably skilled LaTeX hacker.  There are three
+possible ways of doing this, in increasing order of sophistication:
+
+  1. Make suitable adjustments to individual exam `.tex` files.
+
+  2. Rename the distributed `exam-n.dtx` file to something more locally
+     suitable, and edit it with suitable changes (search for
+     `%%%CONFIGURE` for hints on where to adjust).
+
+  3. Fork the Mercurial repository at
+     [bitbucket](https://bitbucket.org/nxg/exam-n), change the
+     value of the `EXAM-N` variable in the `Makefile`, and then
+     edit the `exam-n.dtx` file.  See the comments at the top of the
+     `Makefile`.  The command `make dist` will assemble a tarball
+     release of the class file.
+
+In the last two cases, if you change the `.dtx` file, you _must_ also
+change its name, to avoid confusion.
+
+For general details, talk to Norman Gray <norman@astro.gla.ac.uk>.
+
+This is free software, and you are encouraged to use and adapt it as
+you see fit.  If, however, you need more substantial help with the
+customisations of option 3 above, or need continuing support, then
+[Norman can help](http://8ameter.com), on a commercial basis.
+
+With the version 1.1 release, the interface should now be regarded
+as rather stable.  However version 1.1 was the first to be released
+outside Glasgow University, so there may be some changes to the
+interface which will emerge with broader use, as well as some bug
+fixes.  The interface _may_, therefore, yet change.  If you use
+this class to produce exams, it would be wise to include a copy of
+the class file locally, rather than relying on a central version.  If
+you need an earlier version of the class, let me know.
+
+
+Documentation
+------------
+
+  * Documentation for question authors is in `notes-for-authors.pdf`.
+  * The full version of the documentation, for 'exam conveners' (or
+    equivalent) is in `exam-n.pdf`.  This and the author
+    documentation are built as part of the distribution.
+  * Basic documentation for a LaTeX localiser is in this file (see
+    above), with extra remarks at the top of the `Makefile`.
+
+There are brief release notes in exam-n.html.
+
+
+Distribution and copyright
+--------------------------
+
+Copyright 2005--2014, Norman Gray <http://nxg.me.uk>  
+Distributed under the terms of The LaTeX Project Public License (LPPL);
+see the file lppl.txt for details.
diff --git a/Master/texmf-dist/doc/latex/exam-n/exam-n-example.tex b/Master/texmf-dist/doc/latex/exam-n/exam-n-example.tex
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+%%
+%% This is file `exam-n-example.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% exam-n.dtx  (with options: `example')
+%% exam-n: format exam questions
+%% Release version 1.1, 2014 May 03.
+%%
+%%%% File: exam-n.dtx
+%%%% Copyright 2005--2014, Norman Gray
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status `maintained'.
+%%
+%% The Current Maintainer of this work is Norman Gray <http://nxg.me.uk>
+%%
+%% This work consists of the files exam-n.dtx and exam-n.ins,
+%% the derived file exam-n.cls,
+%% and the associated *.clo files.
+
+%%%% Source: Mercurial revision 6f818b549982, 2014-05-03 13:42 +0100, tag 1.1 + 0
+%%
+ 
+ 
+%%%START example (Makefile strips out this block)
+\documentclass{exam-n}  % standard final version
+%%\documentclass[draft,showsolutions]{exam-n}  % draft style, showing solutions
+%%\documentclass[compose]{exam-n}  % compose (author's) style
+
+\examdate{Wednesday, 18 May 2005}
+\examtime{9.30am -- 12 noon\\(or) 9.30am -- 1.45am}
+
+\exambanner{Examination for the Degrees of \BSc(Science) and
+  \MSci\ on the Honours Standard}
+\schoolcoursecode{P304D and P304H}
+\universitycoursecode{PHYS3031 and PHYS4025}
+\coursetitle{Quantum Mechanics}
+\degreedescriptions{Physics 3\\Chemical Physics 3\\Physics with
+  Astrophysics 3\\Theoretical Physics 3M\\Joint Physics 3}
+\paperident{GR/P304}
+
+\rubric{Candidates for examination in \emph{Quantum Mechanics} should
+  answer question 1 (16 marks) and \emph{either 2A or 2B} (24 marks each)}
+
+\numquestions{3}
+
+\begin{document}
+\maketitle
+
+\section{I}
+
+\begin{question}{20}
+\part At various points in the development of the mathematical theory of
+General Relativity, we pick a coordinate system in which
+differentiation is simple, and do a calculation using non-covariant
+differentiation, indicated by a comma.  We then immediately deduce the
+covariant result, replacing this comma with a semicolon.
+
+Separately, the strong equivalence principle is sometimes
+referred to as the `comma goes to semicolon' rule.
+
+Explain the logic of each of these replacements of a comma with a
+semicolon, putting particular stress on the distinction between
+them.\partmarks{10}
+
+\part The radial and angular coordinates, $r$ and $\phi$ respectively,
+of a test particle moving in the Schwartzschild metric exterior to a
+star of mass $M\ll r$, are related by the equation
+\[
+  r = \frac{h^2}M \left(
+        1 + e\cos\phi + \frac{3M^2}{h^2}e\phi\sin\phi
+        \right)^{-1},
+\]
+where $h$ and $e$ are constants.  Show that this equation takes the
+form of a precessing ellipse, of semi-latus rectum $l=h^2/M$, in which
+the pericentre line advances each orbit by an amount
+$\Delta=6\pi M^2/h^2$, stating clearly any assumptions that
+you make.\partmarks{6}
+
+The solar-mass star HD83443 has a 0.35 Jupiter-mass planet that
+follows a circular orbit of period 2.986 days and radius 0.038\units\au.
+Calculate the rate of precession, in arcseconds per year, of the
+pericentre line of the planet's orbit.\partmarks{4}
+
+[Schwartzschild radius of the Sun${}= 3.0\times10^3\units{m}$,
+$1\units\au=1.5\times10^{11}\units m$].
+
+\begin{solution}
+  In the first type of calculation, we do a calculation in the LIF, in
+which~$\Gamma^i_{jk}=0$, so that single partial differentiation is the
+same as covariant differentiation.  If this process produces a
+geometrical object such as a scalar or a tensor, then we know that the
+result is frame-invariant.  If the result involves only single partial
+differentiation -- that is, no second derivatives -- then since
+partial differentiation is the same as covariant differentiation in
+these coordinates, we cannot distinguish partial and covariant
+derivatives, and can replace the commas by semicolons.  Since these
+are now manifestly covariant derivatives, so that the result is a
+tensor, and thus frame-invariant, the same expression would be true in
+any frame.
+
+The second situation is the statement that the expressions of physical
+laws in SR, such as the conservation equation
+$T^{\mu\nu}_{,\nu}=0$, must take the same \emph{form} when written
+as a covariant equation in GR, crucially without any curvature
+coupling.  The slogan `comma goes to semicolon' is just a mnemonic for
+this.
+
+The distinction is that the first is a mathematical trick, of sorts,
+whereas the second is a version of the equivalence principle, and thus
+a statement with deep physical content.
+
+They don't have to explain things at this length or with this
+coherence (?) to get quite a few marks.  They just have to show they
+have a clue.
+\end{solution}
+\end{question}
+
+\end{document}
+%%%END example
+ 
+\endinput
+%%
+%% End of file `exam-n-example.tex'.
diff --git a/Master/texmf-dist/doc/latex/exam-n/exam-n.html b/Master/texmf-dist/doc/latex/exam-n/exam-n.html
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+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>exam-n class</title>
+<link href="http://nxg.me.uk" rev="author"/>
+<link type="text/css" rel="stylesheet"
+      href="style.css"/>
+<style type='text/css'>
+dd ul { padding: 0pt; margin: 0pt; }
+</style>
+</head>
+
+<body>
+<h1>The exam-n class</h1>
+
+<p>Format exam papers</p>
+
+<p>Version 1.1, 2014 May 03.</p>
+
+<ul>
+<li>Download: <a href='exam-n-1.1.tar.gz'>tarball</a>
+or <a href='exam-n-1.1.zip'>zip file</a></li>
+<li>You may want to look at a <a href='sample_exam.pdf'>sample
+exam</a>.  See the <code>sample/</code> directory in the distribution
+for the source of this.  That demonstrates the final version of the
+paper, as opposed to the ‘draft’ and ‘compose’ versions; there’s also
+a version with this layout but
+<a href='sample_exam_solution.pdf'>showing the solutions</a>.</li>
+<li>If you're a question author, you probably don't want to read the
+full documentation.  Stick to the shorter
+<a href='notes-for-authors.pdf'>notes for authors</a>.</li>
+<li>See the <a href='exam-n.pdf' >documentation</a> for fuller
+discussion.</li>
+<li>Repository available on <a href='https://bitbucket.org/nxg/exam-n'>bitbucket</a>.</li>
+</ul>
+
+<h2>Overview</h2>
+
+<h3>Other exam styles</h3>
+<p>There are already multiple ‘exam’ LaTeX styles on CTAN,
+including
+the (original?) <a href='http://dante.ctan.org/tex-archive/macros/latex/contrib/exam/'>exam class</a>,
+the extensive <a href='http://www.math.uakron.edu/~dpstory/webeq.html' >AcroTeX</a> bundle,
+the
+<a href='http://dante.ctan.org/tex-archive/macros/latex/contrib/examdesign/'>examdesign</a> and
+<a href='http://dante.ctan.org/tex-archive/macros/latex/contrib/exams/'>exams</a>
+classes, and
+<a href='http://www.tex.ac.uk/cgi-bin/CTANcataloguesearch.pl?CATSTRING=exam'>a variety of other packages</a>
+which mention exams in some way.
+Some of these are more focused on generating quizzes
+(even doing things like randomising answers)
+or on having a highly customisable layout.
+Several (including ‘exam-n’) have support for generating versions of
+the exam document which include answers, for the benefit of
+markers.</p>
+
+<h3>The exam-n style</h3>
+<p>What the ‘exam-n’ class can bring to this particular (rather crowded)
+party is:</p>
+<ul>
+<li>Direct support for collaborative development of an exam, using a
+model in which a departmental ‘exams convener’ or ‘exam chair’
+coordinates multiple authors writing individual questions.  This
+includes various completeness checks to avoid embarrasing mistakes.
+The class file and associated process is in regular use within a
+physics and astronomy department, and this work-flow is discussed in a
+little more detail within the class file documentation.</li>
+<li>Designed to have all of the ‘traditional’ exam paper features such
+as sectioning, per-part running marks, ‘Question <em>n</em> continued’
+catchwords, and so on.</li>
+<li>Designed to be locally adaptable.</li>
+<li>The class file is freely adaptable (LPPL), but the author is
+available for <a href='http://8ameter.com'>paid support</a> if that is
+useful.</li>
+</ul>
+
+<p>The focus of the ‘exam-n’ class is on the careful collaborative
+process of assembling an exam, and many of the features are to do with
+checks to avoid mistakes.  The result has, in effect, been validated
+by practice.</p>
+
+<h2>To install</h2>
+<p>Unpack the distribution tarball or zip
+file, and move the directory <code>move-to-texmf</code> to some
+location on the LaTeX search path.  You're probably looking for a
+directory called <code>texmf-local</code>, or something like that.</p>
+
+<h2>Releases</h2>
+
+<p>With the version 1.1 release, the interface should now be regarded
+as rather stable.  However version 1.1 was the first to be released
+outside Glasgow University, so there may be some changes to the
+interface which will emerge with broader use, as well as some bug
+fixes.  The interface <em>may</em>, therefore, yet change.  If you use
+this class to produce exams, you should therefore include a copy of
+the class file locally, rather than relying on a central version.  If
+you need an earlier version of the class, let me know.</p>
+
+<p>The class was called <code>exam</code> until release 0.14, and
+<code>guexam</code> until release 1.1.  In the first case, it was
+renamed to avoid a conflict with a pre-existing LaTeX class with the
+same name; and in the second it was renamed to make it more
+generically useful to other institutions.</p>
+
+<dl>
+
+<!-- @RELEASENOTES@ -->
+<dt><span class='attention'>1.1, 2014 May 3</span></dt>
+<dd>Converted to a generic class, <code>exam-n</code>, ready for wider
+distribution.
+Available on <a href='https://bitbucket.org/nxg/exam-n/'>bitbucket</a>
+and at CTAN.</dd>
+
+
+<dt>...</dt>
+<dd><a href='release-notes.html'>Earlier release notes</a> are available</dd>
+
+</dl>
+
+
+<div class="signature">
+<a href='http://nxg.me.uk'>Norman Gray</a><br/>
+2014 May 03
+</div>
+
+</body>
+</html>
+
+
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+The LaTeX Project Public License
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+If the Work is unmaintained, you can become the Current Maintainer of
+the Work through the following steps:
+
+ 1.  Make a reasonable attempt to trace the Current Maintainer (and
+     the Copyright Holder, if the two differ) through the means of
+     an Internet or similar search.
+
+ 2.  If this search is successful, then enquire whether the Work
+     is still maintained.
+
+  a. If it is being maintained, then ask the Current Maintainer
+     to update their communication data within one month.
+     
+  b. If the search is unsuccessful or no action to resume active
+     maintenance is taken by the Current Maintainer, then announce
+     within the pertinent community your intention to take over
+     maintenance.  (If the Work is a LaTeX work, this could be
+     done, for example, by posting to comp.text.tex.)
+
+ 3a. If the Current Maintainer is reachable and agrees to pass
+     maintenance of the Work to you, then this takes effect
+     immediately upon announcement.
+     
+  b. If the Current Maintainer is not reachable and the Copyright
+     Holder agrees that maintenance of the Work be passed to you,
+     then this takes effect immediately upon announcement.  
+    
+ 4.  If you make an `intention announcement' as described in 2b. above
+     and after three months your intention is challenged neither by
+     the Current Maintainer nor by the Copyright Holder nor by other
+     people, then you may arrange for the Work to be changed so as
+     to name you as the (new) Current Maintainer.
+     
+ 5.  If the previously unreachable Current Maintainer becomes
+     reachable once more within three months of a change completed
+     under the terms of 3b) or 4), then that Current Maintainer must
+     become or remain the Current Maintainer upon request provided
+     they then update their communication data within one month.
+
+A change in the Current Maintainer does not, of itself, alter the fact
+that the Work is distributed under the LPPL license.
+
+If you become the Current Maintainer of the Work, you should
+immediately provide, within the Work, a prominent and unambiguous
+statement of your status as Current Maintainer.  You should also
+announce your new status to the same pertinent community as
+in 2b) above.
+
+
+WHETHER AND HOW TO DISTRIBUTE WORKS UNDER THIS LICENSE
+======================================================
+
+This section contains important instructions, examples, and
+recommendations for authors who are considering distributing their
+works under this license.  These authors are addressed as `you' in
+this section.
+
+Choosing This License or Another License
+----------------------------------------
+
+If for any part of your work you want or need to use *distribution*
+conditions that differ significantly from those in this license, then
+do not refer to this license anywhere in your work but, instead,
+distribute your work under a different license.  You may use the text
+of this license as a model for your own license, but your license
+should not refer to the LPPL or otherwise give the impression that
+your work is distributed under the LPPL.
+
+The document `modguide.tex' in the base LaTeX distribution explains
+the motivation behind the conditions of this license.  It explains,
+for example, why distributing LaTeX under the GNU General Public
+License (GPL) was considered inappropriate.  Even if your work is
+unrelated to LaTeX, the discussion in `modguide.tex' may still be
+relevant, and authors intending to distribute their works under any
+license are encouraged to read it.
+
+A Recommendation on Modification Without Distribution
+-----------------------------------------------------
+
+It is wise never to modify a component of the Work, even for your own
+personal use, without also meeting the above conditions for
+distributing the modified component.  While you might intend that such
+modifications will never be distributed, often this will happen by
+accident -- you may forget that you have modified that component; or
+it may not occur to you when allowing others to access the modified
+version that you are thus distributing it and violating the conditions
+of this license in ways that could have legal implications and, worse,
+cause problems for the community.  It is therefore usually in your
+best interest to keep your copy of the Work identical with the public
+one.  Many works provide ways to control the behavior of that work
+without altering any of its licensed components.
+
+How to Use This License
+-----------------------
+
+To use this license, place in each of the components of your work both
+an explicit copyright notice including your name and the year the work
+was authored and/or last substantially modified.  Include also a
+statement that the distribution and/or modification of that
+component is constrained by the conditions in this license.
+
+Here is an example of such a notice and statement:
+
+  %% pig.dtx
+  %% Copyright 2005 M. Y. Name
+  %
+  % This work may be distributed and/or modified under the
+  % conditions of the LaTeX Project Public License, either version 1.3
+  % of this license or (at your option) any later version.
+  % The latest version of this license is in
+  %   http://www.latex-project.org/lppl.txt
+  % and version 1.3 or later is part of all distributions of LaTeX
+  % version 2005/12/01 or later.
+  %
+  % This work has the LPPL maintenance status `maintained'.
+  % 
+  % The Current Maintainer of this work is M. Y. Name.
+  %
+  % This work consists of the files pig.dtx and pig.ins
+  % and the derived file pig.sty.
+
+Given such a notice and statement in a file, the conditions
+given in this license document would apply, with the `Work' referring
+to the three files `pig.dtx', `pig.ins', and `pig.sty' (the last being
+generated from `pig.dtx' using `pig.ins'), the `Base Interpreter'
+referring to any `LaTeX-Format', and both `Copyright Holder' and
+`Current Maintainer' referring to the person `M. Y. Name'.
+
+If you do not want the Maintenance section of LPPL to apply to your
+Work, change `maintained' above into `author-maintained'.  
+However, we recommend that you use `maintained', as the Maintenance
+section was added in order to ensure that your Work remains useful to
+the community even when you can no longer maintain and support it
+yourself.
+
+Derived Works That Are Not Replacements
+---------------------------------------
+
+Several clauses of the LPPL specify means to provide reliability and
+stability for the user community. They therefore concern themselves
+with the case that a Derived Work is intended to be used as a
+(compatible or incompatible) replacement of the original Work. If
+this is not the case (e.g., if a few lines of code are reused for a
+completely different task), then clauses 6b and 6d shall not apply.
+
+
+Important Recommendations
+-------------------------
+
+ Defining What Constitutes the Work
+
+   The LPPL requires that distributions of the Work contain all the
+   files of the Work.  It is therefore important that you provide a
+   way for the licensee to determine which files constitute the Work.
+   This could, for example, be achieved by explicitly listing all the
+   files of the Work near the copyright notice of each file or by
+   using a line such as:
+
+    % This work consists of all files listed in manifest.txt.
+   
+   in that place.  In the absence of an unequivocal list it might be
+   impossible for the licensee to determine what is considered by you
+   to comprise the Work and, in such a case, the licensee would be
+   entitled to make reasonable conjectures as to which files comprise
+   the Work.
+
diff --git a/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/A1.clo b/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/A1.clo
new file mode 100644
index 00000000000..fd79818b0c2
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/A1.clo
@@ -0,0 +1,82 @@
+\ProvidesFile{A1.clo}[2014/05/03 1.1]
+\typeout{A1 exam options, 1.1}
+%%%% Source: Mercurial revision 6f818b549982, 2014-05-03 13:42 +0100, tag 1.1 + 0
+%%%% File: A1.clo
+%%%% Copyright 2005--2014, Norman Gray
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status `maintained'.
+%% 
+%% The Current Maintainer of this work is Norman Gray <http://nxg.me.uk>
+%%
+%% This work consists of the files exam-n.dtx and exam-n.ins,
+%% the derived file exam-n.cls,
+%% and the associated *.clo files.
+
+% Nothing here beyond the constants sheet
+\constantssheet{
+\begin{center}
+\def\e{{\rm e}}\def\deg{^\circ}
+\def\dmin{^{\rm m}}
+\def\dsec{^{\rm s}}
+\def\ez{\epsilon_{\rm 0}} % permittivity of free space
+\def\er{\epsilon_{\rm r}} % relative permittivity
+\def\ep{\epsilon} % permittivity
+\def\muz{\mu_{\rm 0}} % permeability of free space
+\def\mur{\mu_{\rm r}} % relative permeability
+\def\me{m_{\rm e}} % mass of the electron
+\def\mprot{m_{\rm p}} % mass of the proton
+\def\az{\a_{\rm 0}} % Bohr radius
+\def\mub{\mu_{\rm B}} % Bohr magneton
+%
+\def\tothe#1{$^{#1}$} % raise to the power #1
+\def\metre{\,{\rm m}}
+\def\kg{\,{\rm kg}}
+\def\sec{\,{\rm s}}
+\def\mm{\,{\rm mm}}
+\def\mol{\,{\rm mol}}
+\def\kelvin{\,{\rm K}}
+\def\joule{\,{\rm J}}
+\def\farad{\,{\rm F}}
+\def\ampere{\,{\rm A}}
+\def\ev{\,{\rm eV}}
+\def\hz{\,{\rm Hz}}
+\def\volt{\,{\rm V}}
+\def\watt{\,{\rm W}}
+\def\newton{\,{\rm N}}
+\def\unit#1{\,{\rm #1}}
+%
+{\Large\textbf{Values of astrophysical constants}}\\[\bigskipamount]
+\begin{tabular}{lll} \hline\\[-1.5ex] % slightly hacky extra space after hline
+ speed of light         & $c$ & $2.998\times 10^8 \metre\sec^{-1}$\\
+ gravitational constant & $G$ & $6.673\times10^{-11}\newton\metre^2\kg^{-2}$\\
+ Planck constant        & $h$ & $6.626\times10^{-34}\joule\sec$\\
+ Boltzmann constant     & $k_{\rm B}$ & $1.381\times10^{-23} \joule\kelvin^{-1}$\\
+ Stefan-Boltzmann constant & $\sigma$ & $5.671\times10^{-8}\watt\metre^{-2}\kelvin^{-4}$\\
+ Rydberg constant       & $R_\infty$ &$1.097\times10^{7}\metre^{-1}$\\
+ Avogadro constant      & $N_{\rm A}$ & $6.022\times 10^{23}\unit{mol}^{-1}$\\
+ gas constant           & $R$ & $8.315 \joule\mol^{-1}\kelvin^{-1}$\\
+ proton mass            & $\mprot$ & $1.673\times10^{-27} \kg$\\
+ electron mass          & $\me$ & $9.109\times10^{-31} \kg$\\
+ elementary charge      & $e$ & $1.602\times 10^{-19}\unit{C}$\\
+ electronvolt           & ${\rm eV}$ & $1.602\times 10^{-19}\unit{J}$\\[3pt]
+ astronomical unit      & au &  $1.496\times10^{11} \metre$\\
+ parsec                 & pc &  $3.086\times10^{16}\metre$\\
+ light year             & ly &  $9.461\times10^{15} \metre$\\[3pt]
+ solar mass             & $M_\odot$ & $1.989\times10^{30} \kg$\\
+ solar radius           & $R_\odot$ & $6.960\times10^8 \metre$\\
+ solar luminosity       & $L_\odot$ & $3.826\times10^{26}\watt$\\
+ Earth mass             & $M_\oplus$ & $5.976\times10^{24} \kg$\\
+ Earth radius           & $R_\oplus$ & $6.378\times10^6 \metre$\\
+ obliquity of the ecliptic & $\epsilon$ & $23^\circ\,26'$\\[\medskipamount]
+\hline
+\end{tabular}
+\end{center}
+}
diff --git a/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/exam-n.cls b/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/exam-n.cls
new file mode 100644
index 00000000000..68a03b55c61
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/move-to-texmf/exam-n.cls
@@ -0,0 +1,1251 @@
+%%
+%% This is file `exam-n.cls',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% exam-n.dtx  (with options: `package')
+%% exam-n: format exam questions
+%% Release version 1.1, 2014 May 03.
+%%
+%%%% File: exam-n.dtx
+%%%% Copyright 2005--2014, Norman Gray
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status `maintained'.
+%%
+%% The Current Maintainer of this work is Norman Gray <http://nxg.me.uk>
+%%
+%% This work consists of the files exam-n.dtx and exam-n.ins,
+%% the derived file exam-n.cls,
+%% and the associated *.clo files.
+
+%%%% Source: Mercurial revision 6f818b549982, 2014-05-03 13:42 +0100, tag 1.1 + 0
+%%
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesClass{exam-n}[2014/05/03 1.1]
+\typeout{Class: `exam-n 1.1 <2014/05/03>}
+ 
+ 
+ 
+\newcount\@draftstatus
+\@draftstatus=0 % default is final
+\DeclareOption{compose}{\@draftstatus=2
+  \@showsolutionstrue
+  \@pageperquestiontrue}
+\DeclareOption{draft}{\@draftstatus=1
+  \@showsolutionstrue
+  \@pageperquestionfalse}
+\DeclareOption{final}{\@draftstatus=0
+  \@showsolutionsfalse
+  \@pageperquestionfalse}
+\newif\if@psfonts\@psfontsfalse
+\DeclareOption{psfonts}{\@psfontstrue}
+\DeclareOption{cmfonts}{\@psfontsfalse}
+\newcount\examn@mtselect \examn@mtselect=0
+\DeclareOption{mathptm}{\@psfontstrue\examn@mtselect=0}
+\DeclareOption{mathtime}{\@psfontstrue\examn@mtselect=1}
+\DeclareOption{mtpro2}{\@psfontstrue\examn@mtselect=2}
+\newif\ifexamn@serif
+\examn@seriftrue
+\DeclareOption{serif}{\examn@seriftrue}
+\DeclareOption{sansserif}{\examn@seriffalse}
+\newif\if@showsolutions
+\@showsolutionsfalse
+\DeclareOption{showsolutions}{\@showsolutionstrue}
+\DeclareOption{noshowsolutions}{\@showsolutionsfalse}
+\newif\if@pageperquestion
+\@pageperquestionfalse
+\DeclareOption{pageperquestion}{\@pageperquestiontrue}
+\DeclareOption{nopageperquestion}{\@pageperquestionfalse}
+\newif\if@perquestionmarks
+\@perquestionmarkstrue
+\DeclareOption{perquestionmarks}{\@perquestionmarkstrue}
+\DeclareOption{noperquestionmarks}{\@perquestionmarksfalse}
+\newif\if@showmarktotals
+\@showmarktotalstrue
+\DeclareOption{showmarktotals}{\@showmarktotalstrue}
+\DeclareOption{noshowmarktotals}{\@showmarktotalsfalse}
+\newif\if@twosidepages
+\@twosidepagesfalse
+\DeclareOption{twoside}{\@twosidepagestrue}
+\DeclareOption{oneside}{\@twosidepagesfalse}
+\newif\if@fleqn
+\@fleqnfalse
+\DeclareOption{fleqn}{
+  \@fleqntrue
+  \PassOptionsToPackage{fleqn}{amsmath}
+  \PassOptionsToClass{fleqn}{article}
+}
+\newif\if@fussydescription
+\@fussydescriptiontrue
+\DeclareOption{sloppydescription}{\@fussydescriptionfalse}
+\def\examn@header@shoutformat#1{{\Large\bfseries #1}}
+\DeclareOption{mono}{
+  \PassOptionsToPackage{monochrome}{color}
+  \def\examn@header@shoutformat#1{{\Huge\bfseries #1}}
+}
+\DeclareOption{colour}{}
+\newif\ifbigfont
+\bigfontfalse
+\DeclareOption{bigfont}{\bigfonttrue}
+\PassOptionsToClass{a4paper}{article}
+\newtoks\@styleoverrides
+\@styleoverrides={}
+\def\OverrideFormatting{\@styleoverrides=}
+\newtoks\@constantstoks
+\def\@@displayconstants{%
+  \clearpage
+  \begingroup
+  \the\@constantstoks
+  \endgroup
+  \clearpage }
+\newtoks\@constantstoks
+\@constantstoks={}
+\let\@displayconstants\relax
+\def\constantssheet{\let\@displayconstants\@@displayconstants
+  \@constantstoks=}
+\AtBeginDocument{\the\@styleoverrides}
+\DeclareOption*{\InputIfFileExists{\CurrentOption.clo}{}
+  {\ClassError{exam-n}
+    {Bad option \CurrentOption}
+    {I don't understand the option \CurrentOption\MessageBreak
+      (I didn't find file \CurrentOption.clo, if that's what you meant)}}}
+\InputIfFileExists{exam-n.config}{}{}
+\ProcessOptions
+\if@twosidepages
+  \PassOptionsToClass{twoside}{article}
+\else
+  \PassOptionsToClass{oneside}{article}
+\fi
+\PassOptionsToClass{12pt}{article}
+\PassOptionsToPackage{final}{graphicx}
+\PassOptionsToPackage{final}{pdfpages}
+\def\UniLogo#1{\vbox to 15.5mm{%
+    \hrule
+    \vss\hbox to #1{% Aspect ratio of logo is 100x31
+      \hss no logo available\hss
+    }%
+    \vss
+    \hrule}}
+\RequirePackage[english]{babel} % UK hyphenation
+\RequirePackage{amsmath}
+\RequirePackage{color}
+\LoadClass{article}
+\def\examn@setdocident{%
+  \begingroup
+    % yes, a big \ifcase would be more straightforward;
+    % no, that wouldn't be any fun at all
+    % (also it ends up looking messy and even tricksier).
+    \def\@step##1##2\@nil{\advance\@tempcnta##1 \def\@tempa{##2}}
+    \def\@tempa{{31}{28}{31}{30}{31}{30}{31}{31}{30}{31}{30}{31}}%
+    \@tempcnta=\day             % day of month
+    \@tempcntb=\month           % month of year (unit-offset)
+    \loop
+      \advance\@tempcntb-1
+      \ifnum \@tempcntb>0
+        \expandafter\@step\@tempa\@nil
+    \repeat
+    \@tempcntb=\year            % yes, do calculate leap years
+    \divide\@tempcntb 4 \multiply\@tempcntb 4
+    \ifnum\@tempcntb=\year
+      \ifnum\month>2            % but let's not worry about century years...
+        \advance\@tempcnta 1
+      \fi
+    \fi
+    % remove any \\ or ~ in the coursecode fields
+    \let\\\space
+    \let~\space
+    \xdef\examn@docident{% first element is based on uni/school course code
+      \ifx\@coursetitle\@empty
+        \ifx\@schoolcoursecode\@empty
+          exam%
+        \else
+          \@schoolcoursecode
+        \fi
+      \else
+        \@coursetitle
+      \fi
+      /\the\@tempcnta           % day-of-year
+      -\the\time}               % minutes since midnight
+  \endgroup
+}
+\RequirePackage{ifpdf}
+\def\@SetDocumentInfo{%
+  \ifpdf
+    {\pdfinfo{/Title (\examn@docident)}}%
+    % Don't put out an /Author(xxx) info entry -- there may be
+    % multiple authors, and it isn't obviously useful
+  \fi
+}
+\AtBeginDocument{\examn@setdocident\@SetDocumentInfo}
+\if@psfonts
+  \ifcase\examn@mtselect
+    \ifexamn@serif
+      \RequirePackage{times}
+    \else
+      \RequirePackage{helvet}
+    \fi
+    \RequirePackage{mathptm}
+    \ClassWarningNoLine{exam-n}{Using mathptm fonts}
+  \or % use mathtime fonts
+    \RequirePackage[LY1]{fontenc}   % specify text font encoding
+    \RequirePackage[LY1,mtbold]{mathtime}   % switch math fonts
+    \ifexamn@serif
+      \RequirePackage{times}
+    \else
+      \RequirePackage{helvet}
+    \fi
+    \ClassWarningNoLine{exam-n}{Using Mathtime fonts}
+  \or % use mtpro2 fonts
+    \RequirePackage[T1]{fontenc}
+    \RequirePackage{textcomp}
+    \ifexamn@serif
+      \renewcommand\rmdefault{ptm} % the default
+    \else
+      \RequirePackage[scaled=0.9]{helvet}
+      \renewcommand\rmdefault{phv}
+    \fi
+    \RequirePackage[mtpbb]{mtpro2}
+    \ClassWarningNoLine{exam-n}{Using MTPro2 fonts}
+  \else
+    \ClassError{exam-n}{Impossible value of mtselect: \examn@mtselect}
+  \fi
+\else
+  \ClassWarningNoLine{exam-n}{Using CM fonts}
+\fi
+\def\examn@bodyfontchange{}
+\ifexamn@serif \else
+  \ClassWarningNoLine{exam-n}{Using sans serif fonts}
+  \DeclareRobustCommand\normalfont
+    {\usefont\encodingdefault\sfdefault\seriesdefault\shapedefault \relax}
+\fi
+\ifbigfont
+  \def\examn@bodyfontchange{
+    \renewcommand\normalsize{%
+      \@setfontsize\normalsize{36}{42}%
+      \abovedisplayskip 36\p@ \@plus7\p@ \@minus17.5\p@
+      \abovedisplayshortskip \z@ \@plus10.5\p@
+      \belowdisplayshortskip 21\p@ \@plus10.5\p@ \@minus10.5\p@
+      \belowdisplayskip \abovedisplayskip
+      \let\@listi\@listI}
+    \parindent=48pt
+    \parskip=36pt
+    % Redefine \FormatPartMarks so that it doesn't push the text off the paper
+    \def\FormatPartMarks##1{
+      \setbox0=\hbox{\hskip 1em \textbf{[##1]}}
+      \@tempdima=0.8\marginsize
+      \ifdim\wd0>\@tempdima
+        \advance\@tempdima -\wd0
+        \hbox to 0pt{\hskip\@tempdima \box0\hss}%
+      \else
+        \hbox to 0pt{\box0\hss}
+      \fi}}
+\fi
+\def\@exambanner{}
+\def\exambanner{\def\@exambanner}
+
+\def\@schoolcoursecode{}
+\def\schoolcoursecode{\def\@schoolcoursecode}
+
+\def\@universitycoursecode{}
+\def\universitycoursecode{\def\@universitycoursecode}
+
+\def\@paperident{}
+\def\paperident{\def\@paperident}
+
+\def\@examdate{}
+\def\examdate{\def\@examdate}
+
+\def\@examtime{}
+\def\examtime{\def\@examtime}
+
+\def\@coursetitle{}
+\def\coursetitle{\def\@coursetitle}
+\def\@degreedescriptions{}
+\def\degreedescriptions{\def\@degreedescriptions}
+\def\@displaydegreedescriptions{%
+  \let\@tempb\leavevmode
+  \def\dd##1\\{%
+    \def\@tempa{##1}%
+    \ifx\@tempa\@empty
+      \let\next\relax
+    \else
+      \@tempb\hbox{##1}\let\next\dd
+    \fi
+    \def\@tempb{\discretionary{}{}{\kern0.5em--\kern0.5em}}%
+    \next}
+  \expandafter\dd\@degreedescriptions\\}
+\def\@rubric{}
+\def\rubric{\long\def\@rubric}
+\def\norubric{\let\@rubric\@nnil}
+
+\def\@baserubric{%
+\textbf{Answer each question in a separate booklet}\par
+Candidates are reminded that devices able to store or display text or
+images may not be used in examinations without prior arrangement.
+\if@perquestionmarks
+  \par
+  Approximate marks are indicated in brackets as a guide for candidates.
+\fi
+}
+\def\baserubric{\long\def\@baserubric}
+\def\@numquestions{}
+\def\numquestions{\def\@numquestions}
+\def\CheckTotalQuestions{%
+  \ifnum\@draftstatus < 2
+    \ifx\@numquestions\@empty \else
+      \ifnum\questionnumber=\@numquestions \else
+        \ClassWarning{exam-n}
+          {Expected \@numquestions\space questions, got \the\questionnumber!}
+        \ifnum\@draftstatus > 0 % draft mode
+          \begin{center}
+            \textbf{\highlighted{Expected \@numquestions\space questions, got \the\questionnumber}}
+          \end{center}
+        \fi
+      \fi
+    \fi
+  \fi
+}
+\if@fleqn
+  \mathindent\parindent
+  \@mathmargin=\parindent
+\fi
+\newdimen\marginsize
+  \marginsize=35mm
+
+\headheight=15pt
+\headsep=15pt
+\definecolor{meta}{rgb}{0.7,0.2,0.2}
+\def\highlighted{\textcolor{meta}}
+\definecolor{solutiontext}{rgb}{0.2,0.2,0.5}
+\definecolor{discreettext}{rgb}{0.6,0.6,0.6}
+\newcommand\@settextblock[1]{
+  \textwidth=\paperwidth
+    \advance\textwidth -2\marginsize
+  \textheight=\paperheight
+    \advance\textheight -2\marginsize
+  \oddsidemargin=\marginsize
+    \advance\oddsidemargin -1in
+    \advance\oddsidemargin -#1
+  \evensidemargin=\oddsidemargin
+  \topmargin=\marginsize
+    \advance\topmargin -\headheight
+    \advance\topmargin -\headsep
+    \advance\topmargin -1in
+  \marginparwidth=\marginsize
+    \advance\marginparwidth -1.5cm
+    \advance\marginparwidth #1
+%%     \typeout{paperwidth=\the\paperwidth, paperheight=\the\paperheight,
+%%     textwidth=\the\textwidth, textheight=\the\textheight,
+%%     oddsidemargin=\the\oddsidemargin,
+%%     headheight=\the\headheight, headsep=\the\headsep, topmargin=\the\topmargin}
+  \marginparsep=0.5cm
+}
+
+\ifnum\@draftstatus > 0
+  \@settextblock{2cm}
+\else
+  \@settextblock{0pt}
+\fi
+\let\leftnudge\@settextblock
+\renewcommand\@marginparreset{%
+  \reset@font
+  \@setminipage
+  \raggedright
+  \small
+}
+\setlength{\parindent}{2em}
+\setlength{\parskip}{\bigskipamount}
+\ifcase\@draftstatus % Final version
+  \def\ClosingText{
+    \begin{center}\textbf{End of Paper}\\\end{center}
+    \mark{END}}
+\or % Draft version
+  \def\ClosingText{
+    \begin{center}\textbf{End of Draft Paper}\\\end{center}
+    \mark{END}}
+\else % Compose version (nothing, because this would be on a page by itself)
+  \def\ClosingText{\mark{END}}
+\fi
+\RequirePackage{fancyhdr}
+\pagestyle{fancy}
+\setlength{\headwidth}{\textwidth}
+\renewcommand{\headrulewidth}{0pt}
+\renewcommand{\footrulewidth}{0pt}
+\fancyhead{}
+\fancyfoot{}
+\fancyfoot[L]{{\tiny\textcolor{discreettext}{%
+  \ifx\@paperident\@empty\examn@docident\else\@paperident\fi
+}}}
+\fancyfoot[R]{%
+  \def\@tempa{END}
+  \xdef\examn@topmark{\botmark}
+  \ifx\examn@topmark\@empty
+    \formatcontinuations{Paper continued over}%
+  \else\ifx\examn@topmark\@tempa
+    \formatcontinuations{END}
+  \else
+    \formatcontinuations{Q\,\examn@topmark\ continued over\dots}%
+  \fi\fi
+}
+\fancyfoot[C]{\thepage/\pageref{lastpage}}
+\def\examn@topmark{}
+\ifnum\@draftstatus=0
+  \fancyhead[L]{%
+    \ifx\examn@topmark\@empty \else
+      \formatcontinuations{Q\,\examn@topmark\ continued}%
+    \fi
+  }
+\fi
+\def\examn@bighead#1{\strut\vbox to 0pt{\vss\hbox{\examn@header@shoutformat{#1}}\vskip 10mm}}
+\ifnum\@draftstatus = 1
+  \if@showsolutions
+   \fancyhead[C]{\examn@bighead{\highlighted{DRAFT + SOLUTIONS, p\thepage/\pageref{lastpage}}}}
+  \else
+   \fancyhead[C]{\examn@bighead{\highlighted{DRAFT, p\thepage/\pageref{lastpage}}}}
+ \fi
+\else
+  \if@showsolutions
+    % Add a very prominent banner
+    \fancyhead[C]{\examn@bighead{\highlighted{SHOWING SOLUTIONS}}}
+  \fi
+\fi
+\def\formatcontinuations#1{\textbf{#1}}
+\def\WriteLastPageLabel{\label{lastpage}}
+\def\ps@titlepage{
+  \def\@oddhead{}
+  \def\@oddfoot{\xdef\examn@topmark{\botmark}}
+}
+\renewcommand\maketitle{
+  \ifnum\@draftstatus < 2       % final or draft version
+    \ifx\@examdate\@empty
+      \ClassError{exam-n}
+        {No exam date given}
+        {Specify an exam date using \protect\examdate}
+    \fi
+    \ifx\@examtime\@empty
+      \ClassError{exam-n}
+        {No exam time given}
+        {Specify an exam time using \protect\examtime}
+    \fi
+    \ifx\@exambanner\@empty
+      \ClassError{exam-n}
+        {No exam banner given}
+        {Specify an exam banner (eg Examination for the degree...) using \protect\exambanner}
+    \fi
+    \if@fussydescription
+      \ifx\@schoolcoursecode\@empty
+        \ClassError{exam-n}
+          {No school course code given}
+          {Specify a school course code (eg P304H) using \protect\schoolcoursecode}
+      \fi
+      \ifx\@universitycoursecode\@empty
+        \ClassError{exam-n}
+          {No paper title given}
+          {Specify a university course code (eg PHYS3031) using \protect\universitycoursecode}
+      \fi
+      \ifx\@coursetitle\@empty
+        \ClassError{exam-n}
+          {No course title given}
+          {Specify a course title (eg Quantum Mechanics) using \protect\coursetitle}
+      \fi
+      \ifx\@degreedescriptions\@empty
+        \ClassError{exam-n}
+          {No paper subject given}
+          {Specify a 'degree description' (eg Physics 3) using \protect\degreedescriptions}
+      \fi
+      \ifx\@rubric\@empty
+        \ClassError{exam-n}
+          {No rubric given}
+          {Specify a rubric using \protect\rubric, or declare its absence with \protect\norubric}
+      \fi
+    \fi
+    \thispagestyle{titlepage}
+    \begin{center}
+      \null
+      \vskip -1.5cm
+      \if@showsolutions
+        \nointerlineskip
+        \vbox to 0pt{\vss
+          \examn@header@shoutformat{\shout{SHOWING SOLUTIONS}}
+          \vskip 1.5\bigskipamount}
+      \else
+        \ifnum\examn@shoutcounttotal>0
+          \typeout{SHOUTS: \the\examn@shoutcounttotal}
+          \nointerlineskip
+          \vbox to 0pt{\vss
+            \examn@header@shoutformat
+              {\highlighted{SHOUTS: \the\examn@shoutcounttotal\ (see end)}}
+            \vskip 1.5\bigskipamount}
+        \fi
+      \fi
+      \nointerlineskip
+      \hbox to \textwidth{% date and time
+        \vbox to 0pt{\vskip-2ex \UniLogo{50mm}\vss}
+        \hss
+        \setbox0=\hbox{\vtop{% \vtop or \vbox here?
+          % Opinions differ:
+          % This week, Norman prefers \vtop because it gives a cleaner top line.
+          \hsize=0.5\textwidth
+          \leftskip=0pt plus1fil \rightskip=0pt \parfillskip=0pt
+          \baselineskip=2.5ex
+          \parskip=0.25ex
+          \let\\\par
+            \ifx\@examdate\@empty
+              \shout{missing exam date}
+            \else
+              \@examdate
+            \fi
+            \par
+            \ifx\@examtime\@empty
+              \shout{missing exam time}
+            \else
+              \@examtime
+            \fi
+            \par}}
+        \dp0=0pt
+        \box0}
+      \vskip4\bigskipamount
+      %\UoGname\\[\medskipamount]
+      {\uppercase\expandafter{\@exambanner}}\\[\medskipamount]
+      \vbox{}\hrule
+      \ifx\@degreedescriptions\@empty\else
+        \@displaydegreedescriptions\\
+      \fi
+      \vskip 2\baselineskip plus 0.3fil
+      \def\@tempa{\def\@tempa{\vskip 0.5\baselineskip}}
+      \ifx\@schoolcoursecode\@empty\else
+        \@tempa
+        {\large\textbf{\@schoolcoursecode}}
+      \fi
+      \ifx\@universitycoursecode\@empty\else
+        \@tempa
+        {\large\textbf{[~\@universitycoursecode~]}}
+      \fi
+      \ifx\@coursetitle\@empty\else
+        \setbox0=\hbox{\Huge\textbf{\@coursetitle}}
+        \ifdim\wd0>\columnwidth
+          \setbox0=\hbox{\LARGE\textbf{\@coursetitle}}
+          \ifdim\wd0>\columnwidth
+            % we're not going any smaller than this
+            \setbox0=\vbox{\hsize\columnwidth
+              \Large\bfseries
+              \@coursetitle}
+          \fi
+        \fi
+        \vskip 1.2\ht0          % generous vertical skip, size-dependent
+        \ifhbox0
+          \hbox to \columnwidth{\hss\box0\hss}
+        \else
+          \box0
+        \fi
+      \fi
+      \vskip 2\baselineskip plus 0.3fil
+      \parindent=0pt
+      \parskip=0.5\baselineskip
+      \ifbigfont
+        % Don't put the rubric here (see below)
+      \else
+        \ifx\@rubric\@empty\else
+          \ifx\@rubric\@nnil\else
+            % if there's a rubric, separate from the base rubric, then
+            % separate the two with an hrule (the per-exam rubric
+            % presumably represents special instructions for this exam,
+            % so should be highlighted
+            \vbox{\let\emph\textbf
+              \@rubric
+              \par}
+            \vskip2\baselineskip
+            \hrule
+            \vskip1.5\baselineskip
+          \fi
+        \fi
+      \ifx\@baserubric\@empty \else
+        \@baserubric \par
+      \fi
+    \fi % end \ifbigfont\else
+    \end{center}
+    \vskip 2\baselineskip plus 0.6fil % \newpage is {\vfil\penalty-\@M}
+    \vbox to 0pt{\hbox to \textwidth{%
+        \tiny
+        \textcolor{discreettext}
+          {\hfil\ifx\@paperident\@empty\examn@docident\else\@paperident\fi\hfil}}\vss}
+    \penalty -\@M
+    \@displayconstants
+  \else % compose version
+   \begin{tabular}{rl}
+      \textbf{Exam}&
+        {\def\\{ / }\@schoolcoursecode}\\
+      \textbf{Course codes}&
+        \@universitycoursecode\\
+      %% \textbf{Subject}&
+      %%   {\def\and{and}\begin{tabular}
+      %% {\@degreedescriptionstemplate}\@degreedescriptions
+      %% \end{tabular}}\\
+      \textbf{Date \& time}&
+        {\def\\{, }\@examdate, \@examtime}\\
+    \end{tabular}
+  \fi
+  \ifcase\@draftstatus
+    % Final version
+    \typeout{Exam \@schoolcoursecode: FINAL VERSION}
+  \or % Draft version
+    \typeout{Exam \@schoolcoursecode: DRAFT VERSION}
+  \else % Compose version
+    \typeout{Exam \@schoolcoursecode: COMPOSE VERSION}
+  \fi
+  %
+  \examn@bodyfontchange
+  \normalfont\normalsize
+  \ifbigfont
+    % Put the rubric on a second page, in the 'huge' size.
+    \begin{center}
+      \parskip=18pt
+      \let\emph\textbf \@rubric\par
+      \vskip\baselineskip
+      \hrule
+      \vskip\baselineskip
+      \ifx\@baserubric\@empty \else
+        \@baserubric \par
+      \fi
+    \end{center}
+    \newpage
+  \fi
+}
+\setcounter{secnumdepth}{0}
+\renewcommand\section{
+  \@ifundefined{@currentquestion}\@@section
+    {\ClassError{exam-n}{Misplaced section}
+      {You can't have a section inside a question;\MessageBreak
+        move it before the {question} environment starts}}}
+\newcommand\@@section{\@startsection{section}{1}{\z@}%
+                        {-3.5ex \@plus -1ex \@minus -.2ex}%
+                        {1ex \@plus.1ex \@minus 0.5ex}%
+                        {\fmt@section}}
+\def\fmt@section#1{%
+  \examn@prequestionspace{}
+  \hbox to \textwidth{{\hfil\bfseries SECTION #1\hfil}}%
+}
+\renewcommand\subsection{
+  \@ifundefined{@currentquestion}\@@subsection
+    {\ClassError{exam-n}{Misplaced subsection}
+      {You can't have a subsection inside a question;\MessageBreak
+        move it before the {question} environment starts}}}
+\newcommand\@@subsection{\@startsection{subsection}{2}{\z@}
+                         {-2ex \@plus -3ex \@minus -0.2ex}
+                         {0.5ex \@plus .1ex \@minus 0.1ex}
+                         {\fmt@subsection}}
+\def\fmt@subsection#1{%
+  \examn@prequestionspace{}
+  \noindent\textbf{#1}}
+\let\sectionmark\@gobble
+\let\subsectionmark\@gobble
+\def\@badsection#1#2{\ClassError{guexam}{Bad section}
+  {The exam class goes not support subdivisions like #1{#2}}}
+\def\subsubsection{\@badsection{subsubsection}}
+\def\paragraph{\@badsection{paragraph}}
+\def\subparagraph{\@badsection{subparagraph}}
+\newcount\marktotal           % number of marks accumulated so far
+\newcount\markgoal            % number of marks we should have in the end
+
+\newcount\questionnumber
+\questionnumber=0
+\newcounter{partnumber}
+\renewcommand\part{%
+  \if@nobreak \else
+    \par
+    \@nobreakfalse
+  \fi
+  \ifvmode
+    \vskip 0pt plus 4\bigskipamount
+    \penalty-50
+  \fi
+  \stepcounter{partnumber}%
+  \noindent\FormatPartNumber
+}
+\newcommand\FormatPartNumber{\hbox to \parindent{(\alph{partnumber})\hss}}
+\newif\if@newpagebeforequestion
+\if@pageperquestion
+  \@newpagebeforequestiontrue
+\else
+  \@newpagebeforequestionfalse
+\fi
+\def\examn@prequestionspace#1{%
+  \if@pageperquestion
+    \if@newpagebeforequestion
+      % Add all the stretchability here, rather than stretching out
+      % displays and lists above this on the page.
+      \newpage
+      % Clear the \@newpagebeforequestion flag, to suppress the action
+      % of any following calls to \examn@prequestionspace, until the end
+      % of the next question.
+      \global\@newpagebeforequestionfalse
+    \fi
+  \else
+    #1%
+  \fi
+}
+\long\def\examn@endquestion#1{%
+  \mark{}         % the position of this call is slightly sensitive (but this works)
+  \if@pageperquestion
+    \global\@newpagebeforequestiontrue
+  \fi
+  #1
+  \@nobreakfalse
+  \everypar{}
+}
+\def\partmarks{%
+  \@ifstar{\@tempswatrue \@partmarks}{\@tempswafalse \@partmarks}}
+\newdimen\@partmarksspace
+  \@partmarksspace=2em % default value
+\def\@partmarks#1{%
+  \if@perquestionmarks
+    \if@insolution
+      % visual display only -- doesn't count towards mark total
+      \setbox0=\vbox to 0pt{\vss
+        \hbox to \textwidth{\hfil\hbox to 0pt{\quad\small[\dots #1]\hss}}
+        \vskip0.25ex }
+      % the next line is probably unnecessary, but guarantees that box0
+      % has zero depth, so no extra vertical space appears because of
+      % this new box
+      \dp0=0pt
+      \ifvmode
+        \box0
+      \else
+        \vadjust{\nointerlineskip\box0}%
+      \fi
+    \else
+      \global\advance\marktotal #1
+      \if@tempswa
+        \setbox0=\vbox to 0pt{\vss
+          \hbox to \textwidth{\strut\hfill\FormatPartMarks{#1}}%
+          \vskip 1\baselineskip} % vskip means box has zero depth
+        \ifvmode
+          \box0
+        \else
+          \vadjust{\box0}%
+        \fi
+      \else
+        \ifdim\@partmarksspace > 0pt
+         {\unskip\nobreak\hfil\penalty50 \hskip\@partmarksspace
+            \hbox{}\nobreak\hfil\FormatPartMarks{#1}%
+          \parfillskip=0pt \finalhyphendemerits=0 \par}
+        \else
+          \unskip\nobreak\hfill\FormatPartMarks{#1}\par
+        \fi
+      \fi
+    \fi
+  \else
+    \ClassError{exam-n}{\string\partmarks\ is not compatible with
+      noperquestionmarks}{Either remove \string\partmarks\ or remove
+      the noperquestionmarks option}
+  \fi
+  \ignorespaces
+}
+\@endparpenalty=\@M
+
+\newcommand\FormatPartMarks[1]{\hbox to 0pt{\hskip1em \textbf{[#1]}\hss}}
+\@partmarksspace=\z@
+\newcommand\question{%
+  \if@perquestionmarks
+    \let\ex@next\@questionmarks
+  \else
+    \let\ex@next\@questionnomarks
+  \fi
+  \@ifnextchar[%]
+    {\ex@next}{\ex@next[]}}
+\def\@questionmarks[#1]#2{%
+  \def\@tempa{#2}% marks available for this question
+  \ifx\@tempa\@empty
+    \ClassError{exam-n}
+      {Missing mark goal for question (using 0 instead)}
+      {Missing mark goal for question (using 0 instead)}
+    \def\@tempa{0}
+ \fi
+ \ifx\@includequestionoverridenumber\@empty
+    \do@question{#1}{\@tempa}%
+  \else
+    \ClassWarning{exam-n}{Forcing question number
+      \@includequestionoverridenumber, in included question #2}
+    \do@question{\@includequestionoverridenumber}{\@tempa}%
+  \fi
+}
+\def\@questionnomarks[#1]{%
+  \do@question{#1}{0}%
+}
+\newcount\ex@nmcq
+\ex@nmcq=-1
+\newcount\ex@mcqnanswer
+\def\multiplechoiceanswers#1{\ex@nmcq=#1}
+\newenvironment{mcq}
+   {\parindent=0pt
+    \ifnum\ex@nmcq<1
+      \ClassError{exam-n}
+        {mcq environment without preceding multiplechoiceanswers declaration}
+        {The mcq environment may only be used if the number of
+          permitted MCQ answers has been declared with \string\multiplechoiceanswers}
+    \else
+      \def\item{\@tempswafalse\ex@mcqitem}
+      \def\answer{\@tempswatrue\ex@mcqitem}
+      \ex@mcqi=0
+      \ex@mcqnanswer=0
+      \do@question{}{1}
+    \fi}
+   {\par
+    \ifnum\ex@mcqi<\ex@nmcq
+      \ClassWarning{exam-n}{Too few potential answers in MCQ \the\questionnumber}
+      \@shout{Too few potential answers in MCQ \the\questionnumber}
+      \ifnum\@draftstatus > 0
+        \highlighted{TOO FEW ANSWERS}\par
+      \fi
+    \fi
+    \ifcase\ex@mcqnanswer
+      \ClassWarning{exam-n}
+        {No correct MCQ answer provided in question \the\questionnumber}
+      \@shout{No correct MCQ answer provided in question \the\questionnumber}
+      \ifnum\@draftstatus > 0
+        \highlighted{NO CORRECT ANSWER PROVIDED}\par
+      \fi
+    \or
+       % ex@mcqanswer=1: correct -- do nothing
+    \else
+      \ClassWarning{exam-n}
+        {Too many correct MCQ answers provided in question \the\questionnumber}
+      \@shout{Too many correct MCQ answers provided in question \the\questionnumber}
+      \ifnum\@draftstatus > 0
+        \highlighted{TOO MANY CORRECT ANSWERS}\par
+      \fi
+    \fi
+    \examn@endquestion{\relax}
+   }
+\newcount\ex@mcqi
+\def\ex@mcqitem{%
+  \par
+  \ifnum\ex@mcqi=0
+    % first one
+    \smallskip
+    \parskip=0pt   % nothing fancy -- we assume these won't spread
+                   % over more than one line
+    \advance\leftskip by 2em
+  \fi
+  \advance\ex@mcqi by 1
+  \noindent
+  \if@tempswa
+    % the correct answer
+    \advance\ex@mcqnanswer 1
+    \if@showsolutions
+      \hbox to 0pt{\hss \highlighted{$\Longrightarrow$ \@Alph\ex@mcqi . }}%
+    \else
+      \hbox to 0pt{\hss \@Alph\ex@mcqi . }%
+    \fi
+  \else
+    \hbox to 0pt{\hss \@Alph\ex@mcqi . }%
+  \fi
+}
+\def\do@question#1#2{%
+  \par % get that out of the way...
+  \markgoal=#2
+  \marktotal=0
+  \ifx\examn@questionpreamble\@empty
+  \else
+    \vspace{2\baselineskip}
+    \hbox to \textwidth{\hfil\textbf{\examn@questionpreamble}\hfil}
+    \questionpreamble{}
+  \fi
+  \setcounter{partnumber}{0}
+  \global\advance\questionnumber 1
+  \examn@prequestionspace{%
+    \if@nobreak
+      % after a heading (or something like that)
+    \else
+      % we're not forcing a new page here, but this would be a good point to choose
+      \vskip 2\baselineskip plus 8\baselineskip
+      \penalty-200
+    \fi
+  }
+  \if@questionnumberchecks
+    \def\@tempa{#1}% intended question number
+    \ifx\@tempa\@empty
+      % no optional argument -- easy
+      \def\@currentquestion{\the\questionnumber}
+    \else
+      \setbox0=\hbox{\@tempcnta=#1}
+      \ifdim\wd0>0pt
+        \ClassWarning{exam-n}{Non-numeric question number, #1.
+          You probably want to put \string\QuestionNumberChecksOff in the preamble}
+        \par\textbf{Non-numeric question number, #1.
+          You probably want to put \hbox{$\backslash$\ttfamily QuestionNumberChecksOff} in the preamble}
+          (the formatting below may be messed up).\par
+      \fi
+      \ifcase\@draftstatus
+        % Final version
+        \@tempcnta=#1
+        \ifnum\questionnumber=\@tempcnta
+          \def\@currentquestion{#1}
+        \else
+          \ifx\@includequestionoverridenumber\@empty
+            \ClassError{exam-n}
+              {\string\question[#1] is actually question \the\questionnumber!}
+              {The question in {question} environment number
+                \the\questionnumber\space is specified as
+                \string\question[#1].\MessageBreak
+               This is an error in 'final' mode.\MessageBreak
+               Perhaps you need \string\QuestionNumberChecksOff?}
+            \def\@currentquestion{???}
+          \else
+            \ClassWarning{exam-n}{Forcing question number \@includequestionoverridenumber,
+              in {question} environment number \the\questionnumber}
+            \edef\@currentquestion{\@includequestionoverridenumber}% this doesn't seem to expand in fact!
+            \message{current question=\@currentquestion, override \@includequestionoverridenumber}
+          \fi
+        \fi
+      \or
+        % Draft version -- let the given number override
+        % \the\questionnumber, but warn if there's a difference.
+        \@tempcnta=#1
+        \ifnum\questionnumber=\@tempcnta \else
+          \ClassWarning{exam-n}
+            {\string\question[#1] is actually question \the\questionnumber!}
+        \fi
+        \def\@currentquestion{#1}
+      \else
+        % compose mode -- argument overrides without question
+        \def\@currentquestion{#1}
+      \fi
+    \fi
+  \else
+    % skip question-number checks
+    \def\@tempa{#1}% intended question number
+    \ifx\@tempa\@empty
+      % no optional argument -- this is possibly an error, so warn
+      \ClassWarning{exam-n}{\string\QuestionNumberChecksOff\ is in
+        force, but this question has no [number]}
+      \def\@currentquestion{\the\questionnumber}
+    \else
+      \typeout{Forcing question \the\questionnumber\space to be #1}
+      \def\@currentquestion{#1}
+    \fi
+  \fi
+  \everypar{\setbox0=\lastbox % discard \box0
+    \FormatQuestionNumber
+    \mark{\@currentquestion}%
+    \everypar{}}
+}
+\newcommand\FormatQuestionNumber
+  {\hbox to 0pt{\hss \textbf{\@currentquestion}\hskip1em}}
+\def\endquestion{%
+  \ifnum\marktotal=\markgoal
+    \typeout{Question \@currentquestion\if@perquestionmarks, \the\marktotal\space marks\fi}
+    \iffalse % all of this is redundant, and ends up too shouty
+    \ifcase\@draftstatus
+      % Final version -- do nothing
+      \relax
+    \or % draft version
+      \relax                    % no, the above is too much; do nothing
+    \else % compose version
+      \par
+      \hfil\textbf{\highlighted{[Q\,\@currentquestion\if@perquestionmarks, \the\marktotal\space marks\fi]}}%
+        \break
+    \fi
+    \fi
+  \else
+    \ClassWarning{exam-n}
+      {Question \@currentquestion\space has a total of \the\marktotal\space marks,
+        \MessageBreak
+        when it should have \the\markgoal}
+    \begin{center}
+      \edef\@tempa{Question \@currentquestion\space
+        has a total of \the\marktotal\space marks,
+        when it should have \the\markgoal}
+      \expandafter\shout\expandafter{\@tempa}
+    \end{center}
+  \fi
+  \examn@endquestion{%
+    \if@showmarktotals
+      \par                      % into vertical mode
+      \nobreak                  % keep the marks total with the question
+      \vbox to 2\baselineskip{
+        \vss
+        % this should be very similar to the call to
+        % \FormatPartMarks in \@partmarks, above
+        \hbox to \textwidth{\strut\hfill\FormatPartMarks{Total: \the\markgoal
+          \ifnum\@draftstatus>0
+            % in draft modes, put a fairly discreet confirmation in the total
+            \space
+            \highlighted{\ifnum\marktotal=\markgoal OK\else X\fi}%
+          \fi}}}
+    \fi
+  }
+}
+\newenvironment{questiondata}{%
+  \penalty50 % poor break
+  \vbox\bgroup
+    \slshape
+    \parindent=0pt \parskip=\medskipamount
+    \smallskip
+    \hrule
+    \nobreak
+    \smallskip
+    \noindent \ignorespaces
+}{%
+    \par
+    \nobreak
+    \medskip
+    \hrule width \textwidth
+    \par
+  \egroup
+}
+\newcommand\questionpreamble[1]{\gdef\examn@questionpreamble{#1}}
+\let\examn@questionpreamble\@empty
+\newif\if@questionnumberchecks
+\@questionnumbercheckstrue
+\newcommand\QuestionNumberChecksOff{\@questionnumberchecksfalse}
+\def\enumerate{%
+  \ifnum \@enumdepth >\thr@@\@toodeep\else
+    \advance\@enumdepth\@ne
+    \edef\@enumctr{enum\romannumeral\the\@enumdepth}%
+      \expandafter
+      \list
+        \csname label\@enumctr\endcsname
+        {\usecounter\@enumctr
+          \topsep0pt
+          \partopsep0pt
+          %\parskip=5.0pt \parsep=\parskip
+          \def\makelabel##1{\hss\llap{##1}}}%
+  \fi}
+\def\itemize{%
+  \ifnum \@itemdepth >\thr@@\@toodeep\else
+    \advance\@itemdepth\@ne
+    \edef\@itemitem{labelitem\romannumeral\the\@itemdepth}%
+    \expandafter
+    \list
+      \csname\@itemitem\endcsname
+      {\topsep0pt
+        \partopsep0pt
+        \def\makelabel##1{\hss\llap{##1}}}%
+  \fi}
+\renewcommand\theenumi{\@roman\c@enumi}
+\newcommand\comment[1]{%
+  \ifnum\@draftstatus > 0
+    \marginpar{\highlighted{#1}}%
+    % should we \@shout this, too?
+  \fi
+  \ignorespaces
+}
+\renewcommand\author[1]{\comment{Author: #1}}
+\newtoks\@allshouts \@allshouts={}
+\def\@shout#1{\edef\@tempa{#1}\expandafter\@@shout\expandafter{\@tempa}}
+\def\@@shout#1{\global\@allshouts=\expandafter{\the\@allshouts\t{#1}}}
+\def\showthe@shouts{%
+  {\def\t##1{{\LARGE\noindent\highlighted{NOTE: ##1}\par}}%
+    \the\@allshouts}%
+  % Remark on the number of shouts in the aux file
+  {\@tempcnta=0 \def\t##1{\advance\@tempcnta1}\the\@allshouts
+    \protected@write\@auxout{}%
+      {\string\examn@shoutcount{\the\@tempcnta}}}}
+\def\shout#1{\textbf{\highlighted{#1}}\@shout{#1}}
+\newcount\examn@shoutcounttotal
+\examn@shoutcounttotal=0
+\def\examn@shoutcount#1{\global\examn@shoutcounttotal=#1}
+\def\dummy@documentclass{%
+  \@ifnextchar[\dummy@@documentclass{\dummy@@documentclass[]}}
+\def\dummy@@documentclass[#1]#2{}
+\def\includequestion{
+  \@ifnextchar[%]
+    {\@includequestion}{\@includequestion[]}}
+\def\@includequestion[#1]#2{%
+  \begingroup
+    \let\documentclass\dummy@documentclass
+    \let\document\@empty % not \relax: makes \begin think {document} is undef'd
+    \let\enddocument\relax
+    \def\@tempa{#1}
+    \ifx\@tempa\@empty \else
+      \def\@includequestionoverridenumber{#1}
+      \message{includequestion override: \@includequestionoverridenumber}
+    \fi
+    \def\usepackage##1{\ClassWarning{exam-n}
+      {Ignoring \string\usepackage{##1} in included question #2}}
+    \input{#2}
+  \endgroup
+}
+\let\@includequestionoverridenumber\@empty
+\newif\if@insolution
+\@insolutionfalse
+\def\@formatsolution{\par
+  \if@insolution
+    \ClassError{exam-n}{Misplaced solution}{You can't have a solution within a solution}
+  \else
+    \@insolutiontrue            % this happens within a group
+  \fi
+  \examn@dummycaptions             % dummy captions within solutions
+  \typeout{SHOWING SOLUTIONS}
+  \vskip 1ex plus 2\bigskipamount % add stretchable space...
+  \penalty-\@lowpenalty         % ...and encouragement to break here
+  \parskip 0.5\baselineskip
+  \raggedright
+  \color{solutiontext}%\slshape
+  \ifbigfont\else
+    \small
+  \fi
+  \hrule
+  \hbox to \textwidth{\vrule height 1ex \hfil \vrule height 1ex}
+  \nobreak
+  \vskip -\parskip              % cancel out the following parskip
+  \textbf{\highlighted{Solution:}}\hskip2em
+  \ignorespaces
+}
+\def\end@formatsolution{%
+  \par
+  \nobreak
+  \vskip -0.5ex
+  \hbox to \textwidth{\vrule height 1ex \hfil \vrule height 1ex}
+  \hrule
+}
+\if@showsolutions
+  \let\solution\@formatsolution
+  \let\endsolution\end@formatsolution
+\else
+  \def\solution{%
+    \if@insolution
+      \ClassError{exam-n}{Misplaced solution}{You can't have a solution within a solution}
+    \fi
+    \let\endfigure\endfloat@skipsolutions
+    \let\endtable\endfloat@skipsolutions
+    \examn@dummycaptions           % dummy captions avoid counter increments
+    \@ifundefined{includepdf}{}{\let\includepdf\examn@disabledpdfpages}
+    \par
+    \setbox\@tempboxa\vbox\bgroup
+      \@insolutiontrue}
+  \def\endsolution{%
+    \egroup % ...and do nothing with this box
+  }
+\fi
+\def\examn@badfloat#1[#2]{
+  \ClassError{exam-n}
+    {Bad #1 option #2 ignored}
+    {In the exam-n class, the 'floating' environments take no argument,\MessageBreak
+      and are always placed 'here'}
+  \examn@float{#1}}
+\def\examn@float#1{%
+  % re-using the standard LaTeX parameter means that \caption works
+  \def\@captype{#1}
+  \setbox\@tempboxa\vbox\bgroup}
+\def\examn@endfloat{%
+  \egroup                % end \@tempboxa
+  \unskip
+  \nobreak
+  % add lots of stretchability, but non-infinite, for the sake of tidiness
+  \vskip 0pt plus 0.5\textheight
+  \penalty50 % a pagebreak here discards following vskip
+  % (cf TeXBook p106; or try \filbreak of p111)
+  \vskip 2ex plus -0.5\textheight % negative stretch cancels previous vskip
+  \box\@tempboxa
+  %\vskip 1ex
+  \nobreak
+}
+\def\endfloat@skipsolutions{%
+  % variant when skipping solutions -- end the \@tempboxa and do nothing
+  \egroup
+}
+\def\figure{%
+  \@ifnextchar[{\examn@badfloat{figure}}{\examn@float{figure}}%]
+}
+\def\table{%
+  \@ifnextchar[{\examn@badfloat{table}}{\examn@float{table}}%]
+}
+\let\endfigure\examn@endfloat
+\let\endtable\examn@endfloat
+\def\examn@dummycaptions{%
+  \def\fnum@figure{\figurename} % 'Figure nnn' changed to just 'Figure'
+  \def\fnum@table{\tablename}
+  \def\caption{%
+    \ifx\@captype\@undefined
+      \@latex@error{\noexpand\caption outside float}\@ehd
+      \expandafter\@gobble
+    \else
+      %\refstepcounter\@captype % omit this line from the standard definition
+      \expandafter\@firstofone
+    \fi
+    {\@dblarg{\@caption\@captype}}%
+  }
+}
+\def\examn@disabledpdfpages{\@ifnextchar[% ]
+  \examn@disabledpdfpages@
+  {\examn@disabledpdfpages@[]}}
+\def\examn@disabledpdfpages@[#1]#2{\relax}
+\AtEndDocument{
+  \CheckTotalQuestions
+  \ClosingText
+  \showthe@shouts
+  \WriteLastPageLabel}
+\ifcase\examn@mtselect
+  % mathptm fonts
+  % This is a very clumsy version, but it appears to be our only option
+  \def\vec#1{\mathchoice{\mbox{\boldmath $\displaystyle #1$}}
+    {\mbox{\boldmath $ #1$}}
+    {\mbox{\boldmath $\scriptstyle #1$}}
+    {\mbox{\boldmath $\scriptscriptstyle #1$}}}
+\or % mathtime (should this be the same for mathtime as for mtpro2?
+  \let\vec\mathbf
+\or % mtpro2
+  \let\vec\mathbold
+\fi
+\newcommand\BSc{B.Sc.{}}
+\newcommand\MSci{M.Sci.{}}
+\newcommand\MSc{M.Sc.{}}
+\newcommand\MA{M.A.{}}
+\newcommand\MEng{M.Eng.{}}
+\newcommand\BEng{B.Eng.{}}
+\newcommand{\dd}{\mathrm{d}}
+\newcommand{\ddd}{\,\mathrm{d}}  % inside an integral, including thinspace
+
+\def\Diffl{\@ifstar\@Difflflat\@Diffl}
+\def\Partial{\@ifstar\@Partialflat\@Partial}
+\def\@Partial{\@ifnextchar[{\@@Diffl\partial}{\@@Diffl\partial[]}}
+\def\@Partialflat{\@ifnextchar[{\@@Difflflat\partial}{\@@Difflflat\partial[]}}
+\def\@Diffl{\@ifnextchar[{\@@Diffl\dd}{\@@Diffl\dd[]}}
+\def\@Difflflat{\@ifnextchar[{\@@Difflflat\dd}{\@@Difflflat\dd[]}}
+\def\@@Diffl#1[#2]#3#4{%
+  \def\@tempa{#2}%
+  \ifx\@tempa\empty
+    \frac{#1#3}{#1#4}%
+  \else
+    \frac{{#1}^{#2}#3}{#1{#4}^{#2}}%
+  \fi}
+\def\@@Difflflat#1[#2]#3#4{%
+  \def\@tempa{#2}%
+  \ifx\@tempa\empty
+    #1#3\mskip-0.8mu/\mskip-1.2mu #1#4%
+  \else
+    {#1}^{#2}#3\mskip-0.8mu /\mskip-1.2mu #1{#4}^{#2}%
+  \fi}
+\def\e{{\mathrm e}}
+\def\units{\begingroup
+  \catcode`\.=\active
+  \@ifstar{\let\un@tsspace\relax    \un@ts}%
+          {\let\un@tsspace\thinspace\un@ts}}
+\begingroup
+  \catcode`\.=\active
+  \gdef\un@ts#1{\let~\thinspace\let.\thinspace
+    \ifmmode
+      \un@tsspace\mathrm{#1}%
+    \else
+      \nobreak$\un@tsspace\mathrm{#1}$%
+    \fi
+    \endgroup}
+\endgroup
+\def\au{au}
+\def\lambdabar{\setbox\@tempboxa\hbox{$\lambda$}%
+  \hbox to 0pt{\hbox to \wd\@tempboxa{\hss$\bar{}$\hss}\hss}\box\@tempboxa}
+\endinput
+%%
+%% End of file `exam-n.cls'.
diff --git a/Master/texmf-dist/doc/latex/exam-n/notes-for-authors.pdf b/Master/texmf-dist/doc/latex/exam-n/notes-for-authors.pdf
new file mode 100644
index 00000000000..0c50ae77f7f
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/notes-for-authors.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/release-notes.html b/Master/texmf-dist/doc/latex/exam-n/release-notes.html
new file mode 100644
index 00000000000..063e8fbe84a
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/release-notes.html
@@ -0,0 +1,303 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>exam-n class – release notes</title>
+<link href="http://nxg.me.uk" rev="author"/>
+<link type="text/css" rel="stylesheet"
+      href="style.css"/>
+<style type='text/css'>
+dd ul { padding: 0pt; margin: 0pt; }
+</style>
+</head>
+
+<body>
+<h1>The exam-n class – release notes</h1>
+
+<dl>
+<!-- @CURRENT@ -->
+<dt><span class='attention'>1.1, 2014 May 3</span></dt>
+<dd>Converted to a generic class, <code>exam-n</code>, ready for wider
+distribution.
+Available on <a href='https://bitbucket.org/nxg/exam-n/'>bitbucket</a>
+and at CTAN.</dd>
+
+<!-- @ENDCURRENT@ -->
+
+<dt>1.0.16, 2014 February 28</dt>
+<dd><ul>
+<li>Option mtpro2 now switches to times (this fixes a pre-existing bug
+  exposed by the [sansserif] option).</li>
+<li>The [bigfont] option now works (this fixes a pre-existing bug, to
+  do with <code>\subsections</code>, which was exposed by the addition
+  of the [bigfont] option).</li>
+<li>Added the [bigfont] option</li>
+<li>Fixed 'shouts' warning at start (again)</li>
+<li>Forbid *section commands inside questions (and don't freak out)</li>
+<li>Rename <code>\questiontrailer</code> to <code>\questionpreamble</code> (more logical)</li>
+<li>Fixed mcq warnings, and 'question continued' errors.</li>
+<li>Renamed <code>\multiplechoicequestions</code> to more logical
+  <code>\multiplechoiceanswers</code></li>
+<li>Various (further) spacing changes</li>
+<li>Added <code>\subsection</code></li>
+<li>Release includes
+1.0.16b1 (2014 January 20);
+1.0.16b2 (20 January);
+1.0.16b3 (22 January);
+1.0.16b4 (14 February).
+</li>
+</ul>
+</dd>
+
+<dt>1.0.15, 2014 January 19</dt>
+<dd><ul>
+<li>Fixed mcq and showsolutions, to suppress incorrect warning of missing answers.</li>
+</ul></dd>
+
+<dt>1.0.14, 2014 January 10</dt>
+<dd><ul>
+<li>pdfpages content now appears in draft mode.</li>
+<li>The <code>[draft]</code> option now implies [showsolutions] (so if
+you want to suppress the solutions in this mode, you must now follow
+<code>[draft]</code> with <code>[noshowsolutions]</code>).</li>
+<li>Showing missing information: shouts and missing exam date/time are
+now highlighted.</li>
+<li>Fixed bug where excess <code>\QuestionNumberChecksOff</code>
+caused question numbers to disappear.</li>
+<li>Remove indent at start of question.</li>
+</ul></dd>
+
+<dt>1.0.13, 2013 December 4</dt>
+<dd><ul>
+<li>Added a <code>[sansserif]</code> class option.</li>
+<li>Improved spacing and linebreaking; there are now fewer bad page-breaks.</li>
+<li>Added the <code>{mcq}</code> environment.</li>
+<li>Changed the distribution licence from GPL to LPPL.</li>
+</ul>
+</dd>
+
+<dt>1.0.12, 2013 November 11</dt>
+<dd><ul>
+<li>Adjustments to banner text and base rubric (consulting with Morag Casey).</li>
+<li>Added notes about <code>\includepdf</code> in <q>notes for authors</q>.</li>
+<li>Adjustments to the distributed example files.</li>
+</ul></dd>
+
+<dt>1.0.11, 2013 July 18</dt>
+<dd>Adjustments to question data: k_B, etc, should have roman subscripts.</dd>
+
+<dt>1.0.10, 2013 June 27</dt>
+<dd>Minor documentation and distribution fixes</dd>
+
+<dt><span>1.0.9, 2013 March 22</span></dt>
+<dd>Remove leftover debugging code (garhhh)</dd>
+
+<dt>1.0.8, 2013 March 14</dt>
+<dd>Add the <code>mono</code> and <code>colour</code> options.</dd>
+
+<dt>1.0.7, 2013 March 14</dt>
+<dd><ul>
+<li>pdfpages is now disabled <em>only</em> in solutions</li>
+<li>Minor layout changes (exam title adjusts size for long
+titles)</li>
+</ul></dd>
+
+<dt>1.0.6, 2013 March 13</dt>
+<dd><ul>
+<li>Avoid tables and figures in solutions incrementing the float counter.</li>
+<li>Layout changes; adjustment to default base rubric; A345 rubric change</li>
+<li>Some documentation changes</li>
+</ul>
+</dd>
+
+<dt>1.0.4-1, 2013 March 8</dt>
+<dd>This is a bugfix release: it's a re-release of now-deprecated
+1.0.5 minus a breaking change.<ul>
+<li>Add <code>{table}</code> support, paralleling existing
+<code>{figure}</code> support (ie tables don't float, but captions
+work as expected).</li>
+<li>Blank lines after a <code>\begin{question}</code> no longer
+result in extra space.</li>
+<li>Adjust spacing and layout of front page (again); various other
+cosmetic changes.</li>
+<li>A document identifier appears at the bottom of each page,
+corroborating the exam the page is for (to avoid photocopier collation
+accidents), and giving a numeric identifier which increases with time
+(allowing you to identify which of two printouts is later).</li>
+</ul></dd>
+
+<dt>1.0.4, 2013 March 6</dt>
+<dd>Adjust base rubric; assorted distribution and detail fixes.</dd>
+
+<dt>1.0.3, 2013 January 25</dt>
+<dd>Added <code>[A2]</code> class option.</dd>
+
+<dt>1.0.2, 2013 January 25</dt>
+<dd><ul>
+<li>The `pdfpages' package wasn't working when the `noshowsolutions'
+option was present.  Fixed, by special-casing, specifically disabling the
+<code>\includepdf</code> command in this case.</li>
+<li>Adjust display of <code>\partmarks</code> (no need for extra
+space, since <code>\partmarks</code> is now fully in the margin).</li>
+<li>Adjusting the front-page layout.  Again.</li>
+</ul></dd>
+
+<dt>1.0.1, 2013 January 18</dt>
+<dd><ul>
+<li><code>{figure}</code> now works, because it's explicitly
+supported (<code>{figure}</code> inside solutions could cause problems
+before).  The contents don't float.</li>
+<li>Layout adjustments.</li>
+<li>Graphics now appear in draft mode.</li>
+</ul>
+</dd>
+
+<dt>1.0, 2012 December 11</dt>
+<dd>This is the nominal version 1.0 release, and will be used for the
+2012-13 Honours Astronomy exams (it might get further tweaks along the
+way, but we believe this is a complete distribution set).<ul>
+<li>More adjustments to notes-for-authors, now showing example LaTeX results.</li>
+<li>Addition of template-question.tex</li>
+<li>Adjustments to base rubric.</li>
+</ul></dd>
+
+<dt>1.0b5, 2012 December 3</dt>
+<dd><ul>
+<li>Fine formatting adjustments: occasional <code>\nobreak</code> and
+rationalisation of <code>\maketitle</code>.</li>
+<li>Improvements to notes-for-authors.</li>
+</ul></dd>
+
+<dt>1.0b4, 2012 November 30</dt>
+<dd><ul>
+<li>Improve generation of PDF metadata.</li>
+<li>Add macro <code>\shout</code>, for highlighted `FIXME' comments.</li>
+<li>Add showmarktotals option.</li>
+<li>Permit <code>\partmarks</code> in solutions, without it adding to
+the marks added up for the question (at the same time, forbid having a
+solution within a solution).</li>
+<li>Various formatting adjustments.</li>
+</ul>
+</dd>
+
+<dt>1.0b3, 2012 November 8</dt>
+<dd><ul>
+<li>Add [A345] option.</li>
+<li>Make compose/draft material appear in red.</li>
+<li>Some packaging changes and bugfixes.</li>
+</ul></dd>
+
+<dt>1.0b2, 2012 November 6</dt>
+<dd>Mild formatting adjustments.</dd>
+
+<dt>1.0rc1, 2012 November 2</dt>
+<dd><ul>
+<li>Significant rewrite of formatting, producing a consensus
+AandA/PhysHons style, and renaming some confusingly named
+commands.</li>
+<li>Consequently, the AandA.clo and PhysHons.clo options have
+disappeared.</li>
+<li>The <code>\constantssheet</code> macro has appeared, and setting
+this is now the principal function of per-class <code>.clo</code>
+files.
+See the new <code>A1.clo</code> and modified <code>P2.clo</code> option files.</li>
+</ul>
+</dd>
+
+<dt>0.17.1, 2012 September 21</dt>
+<dd>Fix packaging infelicity</dd>
+
+<dt>0.17, 2012 September 21</dt>
+<dd><ul>
+<li>Rework <code>solutions</code> environment to make it a little more robust.</li>
+<li>Add <code>\MSc</code> degree shorthand.</li>
+<li>Bugfix: continuation headers now appear if a question starts on page 1.</li>
+<li>Bugfix: fix wrong syntax in draft+showsolutions mode -- now works again</li>
+</ul>
+</dd>
+
+<dt>0.16, 2012 July 26</dt>
+<dd><ul>
+<li>Renamed the [showmarks] option to more rational [perquestionmarks]
+(because the option doesn't control whether per-question marks are
+<em>displayed</em>, but whether they're tracked at all).  Slightly
+improved the documentation of this at the same time.</li>
+<li>Added <code>\lambdabar</code> macro</li>
+<li>Fix long-standing problem with continuation lines -- these should now be robust.</li>
+</ul></dd>
+<dt>0.15, 2011 November 23</dt>
+<dd>Avoid conflict with <code>ifpdf</code> package.
+Now <em>depends</em> on <code>ifpdf</code>.</dd>
+<dt>0.14, 2010 August 6</dt>
+<dd><ul>
+<li>Fixed the problem where the question-continuation marks would be
+messed up by the presence of floats.</li>
+<li>Added P2.clo; adjust 'showing solutions' banner
+to avoid collision with other headers (thanks to Morag Casey for the .clo
+file and the report).</li>
+<li>Changed the name of the class to 'guexam', from potentially confusing 'exam'.
+Support guexam.config for forcing options (for example).</li>
+</ul></dd>
+
+<dt>0.13-1, 2008 November 21</dt>
+<dd>Make the gulogo style optional, so that question authors don't
+have to download and install that before they can draft a question.
+Also adjust the logo size.</dd>
+
+<dt>0.13, 2008 November 11</dt>
+<dd>Add university logo, and slightly rearrange the header.
+Add <code>{questiondata}</code> environment.</dd>
+
+<dt>0.12-2, 2008 April 14</dt>
+<dd>...keep on truckin'.  Further changes to the
+<code>\partmarks*</code> spacing code, still largely unprincipled, but
+looking closer to what's required.</dd>
+
+<dt>0.12-1, 2008 April 3</dt>
+<dd>...and again.  This time, I think I actually see what the problem
+was.  Macro <code>\partmarks</code> now forces a new paragraph (it was
+documented to be usable at the end of a paragraph, so this is again
+forced, and the documentation made more explicit), this makes what I
+thought was the solution actually work.  Which is nice.  Redefined
+<code>enumerate</code> and <code>itemize</code> environments, to
+improve spacing somewhat.</dd>
+
+<dt>0.12, 2008 April 3</dt>
+<dd>Further adjustments to <code>\partmarks</code>: again, it should
+be more consistent without necessarily being more principled, alas.</dd>
+
+<dt>0.11, 2008 March 30</dt>
+<dd>Minor fixes: Adjust display of partmarks -- should now be more
+consistent; option [showsolutions] no longer defaults
+[{no,}pageperquestion]; add macro <code>\e</code> to format roman
+exponential.</dd>
+
+<dt>0.10, 2008 January 17</dt>
+<dd>Fix <code>\vec</code> when it appears in sub- or superscript
+position.  Add <code>\paperident</code> command.</dd>
+
+<dt>0.9, 2007 December 10</dt>
+<dd>Various formatting changes.  Added optional argument to
+<code>\includequestion</code> overriding question number.</dd>
+
+<dt>0.8, 2007 November 25</dt>
+<dd>You can now use <code>\usepackage</code> within
+<code>[compose]</code> mode.</dd>
+
+<dt>0.7, 2007 November 20</dt>
+<dd>Make changes to the display of the 'University of Glasgow' banner
+at the top: resolves some font problems.  Other minor layout tweaks.</dd>
+
+<dt>0.6, 2007 November 18</dt>
+<dd>Fixed bold maths problems: <code>\vec</code> now works with greek
+letters, too.  Support MTpro2 (mathtime maths fonts) with the new
+<code>[mtpro2]</code> class option.  The <code>{solution}</code>
+environment can appear multiple times within a question.  Question
+numbers now appear correctly in 'final' mode.</dd>
+
+<dt>0.5, 2007 October 30</dt>
+<dd>Fix collision with LaTeX internal: a <code>\comment</code> at the
+start of a <code>{question}</code> now works.</dd>
+
+</dl>
+
+</body>
+</html>
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/Makefile b/Master/texmf-dist/doc/latex/exam-n/sample/Makefile
new file mode 100644
index 00000000000..ff34e72ae46
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/Makefile
@@ -0,0 +1,16 @@
+all: sample_exam.pdf
+
+sample_exam.pdf: numerical1-solution.pdf
+
+sample_exam_solution.pdf: sample_exam_solution.tex
+
+sample_exam_solution.tex: sample_exam.tex
+	rm -f $@
+	sed '1s/documentclass/documentclass[showsolutions]/' sample_exam.tex >sample_exam_solution.tex
+
+%.pdf: %.tex
+	TEXINPUTS=..: pdflatex $<
+	if grep 'Rerun to get cross' ${<:.tex=.log}; then TEXINPUTS=..: pdflatex $<; else :; fi
+
+clean:
+	rm -f sample_exam*.pdf sample_exam_solution.tex *.log *.aux
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/cosmo1.tex b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo1.tex
new file mode 100644
index 00000000000..cd9ae51974f
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo1.tex
@@ -0,0 +1,91 @@
+\documentclass[compose]{exam-n}
+
+\usepackage{graphics}
+
+\begin{document}
+
+\begin{question}{20}  \author{Andrew Davies}
+% Have a blank line here, to check that the question number remains
+% nicely lined up, even if there are lines between the environment
+% opening and the text.
+
+First, \emph{admire} the restful picture of a spiral in Fig.\ \ref{f:spiral},
+included as a graphic.  Fully zenned up?  Then let us begin\dots.
+\begin{figure}
+\ifbigfont
+  \includegraphics[width=\textwidth]{spiral}
+\else
+  \includegraphics{spiral}
+\fi
+\caption{\label{f:spiral}A spiral}
+\end{figure}
+
+\part Show that, under the action of gravity alone, the scale size
+of the Universe varies according to
+\begin{equation*}
+\ddot{R}=-\frac{4\pi G \rho_0}{3R^2}
+\end{equation*}
+\partmarks*{4}
+and that, consequently,
+\begin{equation*}
+\dot{R}^2=-\frac{8\pi G \rho_0}{3R}=-K.
+\end{equation*}
+\partmarks*{3}
+
+Express $K$ in terms of the present values of the Hubble constant
+$H_0$ and of the density parameter $\Omega_0$.
+\partmarks{3}
+\begin{solution}
+This can be solved by \emph{remembering} the solution
+\partmarks{3}
+\end{solution}
+
+\part In the early Universe, the relation between time and
+temperature has the form
+\begin{equation*}
+t=\sqrt{\frac{3c^2}{16\pi G g_{\rm eff}a}}\frac{1}{T^2},
+\end{equation*}
+where $a$  is the radiation constant. Discuss the assumptions
+leading to this equation, but do not carry out the mathematical
+derivation.  Discuss the meaning of the factor $g_{\rm eff}$ , and
+find its value just before and after annihilation of electrons and
+positrons.
+\partmarks{6}
+\begin{solution}
+Before, well, geee; after\dots kazamm!
+\end{solution}
+
+\part
+Explain how the present-day neutron/proton ratio was established
+by particle interactions in the Early Universe. How is the ratio
+of deuterium to helium relevant to the nature of dark matter?  It is
+\emph{crucially vital} to note
+that Table~\ref{t:dullness} is of absolutely no relevance to this question.
+\begin{table}
+\begin{tabular}{r|l}
+Column 1&and row 1\\
+More content&in row 2
+\end{tabular}
+\caption{\label{t:dullness}A remarkably dull table}
+\end{table}
+\partmarks{4}
+\begin{solution}
+Explanations are superfluous; all that is, is.
+\begin{table}
+\begin{tabular}{r|l}
+First rows&are premier\\
+subsequent rows&are of secondary interest
+\end{tabular}
+\caption{\label{t:dullnessII}A table o'erbrimming with otioseness}
+\end{table}
+In addition, Table~\ref{t:dullnessII} adds nothing to the discussion,
+adds nothing to our understanding of our place in the cosmos, but it
+\emph{does} contribute slightly to the heat-death of the universe (can
+you work out how many deuterium nuclei decayed during the typing of
+this table?).
+\end{solution}
+\begin{questiondata}
+Hubble's law: $v=H_0 D$
+\end{questiondata}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/cosmo2.tex b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo2.tex
new file mode 100644
index 00000000000..bb6c512b9dd
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo2.tex
@@ -0,0 +1,60 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by John Brown}
+Show by considering the Newtonian rules of vector and velocity
+addition that in Newtonian cosmology the cosmological principle
+demands Hubble's Law $v_r\propto r$.\partmarks{10}
+
+Prove that, in Euclidean geometry, the number $N(F)$  of objects
+of identical luminosity $L$, and of space density  $n(r)$ at
+distance $r$, observed with radiation flux $\ge F$  is (neglecting
+other selection and redshift effects)
+\begin{equation*}
+N(F)=4\pi\int_0^{(\frac{L}{4\pi F})^{1/2}} n(r) r^2\ddd r.
+\end{equation*}
+\partmarks*{5}
+
+Use this to show that for  $n=n_1=$constant at $r<r_1$ and
+$n=n_2=$constant at $r>r_1$,
+\begin{equation*}
+N(F) = N_1\left(\frac{F}{F_1}\right)^{-3/2}\qquad \text{for
+$F>F_1$},
+\end{equation*}
+and
+\ifbigfont
+  \begin{multline*}
+  N(F) =
+  N_1\left\{1+\frac{n_2}{n_1}\left[\left(\frac{F}{F_1}\right)^{-3/2}-1\right]
+  \right\}\\\text{for $F<F_1$},
+  \end{multline*}
+\else
+  \begin{equation*}
+  N(F) =
+  N_1\left\{1+\frac{n_2}{n_1}\left[\left(\frac{F}{F_1}\right)^{-3/2}-1\right]
+  \right\} \qquad \text{for $F<F_1$},
+  \end{equation*}
+\fi
+where $F_1=L/4\pi r_1^2$, $N_1=N(F_1)=\frac{4}{3}\pi r_1^3 n_1$.
+\partmarks{9}
+
+Reduce these two expressions to the result for a completely
+uniform density universe with  $n_1=n_2=n_0$.
+\partmarks{3}
+
+% An itemized list followed by partmarks*
+Sketch how $n(F)$  would look in universes which are
+\begin{itemize}
+\item flat,
+\item open,
+\item and closed.
+\end{itemize}
+\partmarks*{3}
+
+\begin{solution}
+A sufficiently heavy weight will reduce expressions to completely
+uniform sheets of paper if it is placed on top of them.\partmarks3
+In a flat universe, $n(F)$ will look like n(F).\partmarks*3
+\end{solution}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/cosmo3.tex b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo3.tex
new file mode 100644
index 00000000000..b7b74c01077
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/cosmo3.tex
@@ -0,0 +1,50 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by Andrew Davies}
+
+The Friedmann equations are written, in a standard notation,
+\begin{gather*}
+H^2 = \frac{8\pi G\rho}{3}-\frac{kc^2}{R^2}+\frac{\Lambda}{3},\\
+\Diffl {}t (\rho c^2R^3)=-p\Diffl {R^3}t,
+\end{gather*}
+Discuss briefly the meaning of each of  $H$, $\rho$ , $k$ and
+$\Lambda$. \partmarks{4}
+
+Suppose the Universe consists of a single substance with equation
+of state  $p=w\rho c^2$, where  $ w=$constant.  Consider the
+following cases, with $k=\Lambda=0$:
+
+\part For $w = 0$, find the relation between $R$ and $\rho$.  Hence
+show that $H=\frac{2}{3t}$. What is the physical interpretation of
+this case?
+\partmarks{8}
+
+\part In the case $w=-1$ , show that  $H = $constant and $R = A \exp(Ht)$,
+with $A$ constant.
+\partmarks{4}
+
+\part Explain how the case, $w=-1$, $k=\Lambda=0$, $\rho=0$ is
+equivalent to an empty, flat, Universe with a non-zero $\Lambda$.
+\partmarks{2}
+
+\part Consider a model Universe which contained matter with equation
+of state with $w = 0$ for $0 < t < t_0$, but which changes to
+$W=0$ for $t\ge t_0$ without any discontinuity in $H(t)$.
+Regarding this second stage as driven by a non-zero $\Lambda$ what
+is the value of $\Lambda$ if $t_0 = 10^{24}$\units{\mu s}? Define the
+dimensionless deceleration parameter, $q$, and find its value
+before and after $t_0$.
+\shout{Shout it loud: I'm a geek and I'm proud}
+\partmarks{8}
+
+Note: that's
+\[
+t_0=10^{24}\units{\mu s}\qquad\text{with a letter mu: $\mu$}.
+\]
+
+\part To what extent does this idealized model resemble the currently
+accepted picture of the development of our Universe?
+\partmarks{4}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/dynamical1.tex b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical1.tex
new file mode 100644
index 00000000000..e3a51a803bb
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical1.tex
@@ -0,0 +1,96 @@
+\documentclass[compose]{exam-n}
+
+\begin{document}
+
+\begin{question}{20} \author{John Brown and Declan Diver}
+\part An earth satellite in a highly eccentric orbit of (constant)
+perigee distance $q$ undergoes a targential velocity impulse
+$-\Delta V$ at each perigee passage.  By considering the mean rate
+of change of velocity at perigee, show that the mean rate of
+change of the semi-major axis  $a$ ($\gg q$) satisfies
+\begin{equation*}
+\frac{1}{a^2} \Diffl at =
+\left(\frac{8}{GMq}\right)^{1/2}\frac{\Delta V}{T},
+\end{equation*}
+where $M$  is the Earth's mass and $T$ the orbital period.
+\partmarks{3}
+\begin{questiondata}
+You may assume $\displaystyle v^2(r)=GM\left(\frac{2}{r}-\frac{1}{a}\right)$.
+\end{questiondata}
+
+Using $T=2\pi(a^3/GM)^{1/2}$  show that with $a_0=a(0)$, (where
+$a(t)$ is the semimajor axis at time $t$)
+\begin{equation*}
+\frac{a(t)}{a_0}=\left[1-\frac{t\Delta V}{2^{1/2}\pi
+a_0(1-e_0)^{1/2}}\right]^2
+\end{equation*}
+\partmarks*{2}
+and
+\begin{equation*}
+\frac{T(t)}{T_0}=\left[1-\frac{t\Delta V}{2^{1/2}\pi
+a_0(1-e_0)^{1/2}}\right]^3
+\end{equation*}
+\partmarks*{1}
+and the eccentricity satisfies (with $e_0=e(0)$)
+\begin{equation*}
+e(t)=1-\frac{1-e_0}{\left[1-\frac{t\Delta V}{2^{1/2}\pi
+a_0(1-e_0)^{1/2}}\right]^2}.
+\end{equation*}
+\partmarks*{2}
+
+Show that, once the orbit is circular, its radius decays
+exponentially with time on timescale  $m_0/2\dot{m}$  where  $m_0$
+is the satellite mass and  $\dot{m}$ the mass of atmosphere
+`stopped' by it per second. \partmarks{2}
+
+\part      What is meant by (a) the sphere of influence of a star, and
+(b) the passage distance?
+\partmarks{2}
+
+Consider a system of $N$ identical stars, each of mass $m$.
+
+\part Given that the change $\delta u$ in the speed of one such star
+due to the cumulative effect over time $t$  of many gravitational
+encounters with other stars in the system can be approximated by
+\begin{equation*}
+(\delta u)^2 \propto [\nu tm^2\log(p_{\rm max}/p_{\rm
+min})]/\bar{u},
+\end{equation*}
+where $\bar{u}$ is the rms mutual speed, $\nu$  is the stellar
+number density, and $p_{\rm max, min}$  are the maximum, minimum
+passage distances for the system, show that this leads to a natural
+time $T$ for the system, where
+\begin{equation*}
+T\propto\frac{\bar{u}u^2}{m^2\nu\log N}.
+\end{equation*}
+\partmarks*{5}
+
+\begin{questiondata}
+You may assume that the sphere of influence radius of a star is
+approximated by $(m/M)^{2/5}R$ where $R$  and $M$ are the radius
+and mass of the whole system respectively.
+\end{questiondata}
+
+\part Deduce that $T$ is the disintegration timescale for the system,
+by showing that a star with initial speed $u_0$ in a stable circular
+orbit reaches escape speed after time  $T$.
+\partmarks{3}
+
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+Dummy text, to lengthen the question to the extent that it spreads across three pages.
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/dynamical2.tex b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical2.tex
new file mode 100644
index 00000000000..517ae849205
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical2.tex
@@ -0,0 +1,24 @@
+\documentclass[final]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by John Brown}
+Give the equations of motion for $i=1,\ldots, N$  particles of
+masses $m_i$ and positions  $r_i(t)$ under the action of mutual
+gravity alone in an arbitrary inertial frame.
+\partmarks{4}
+
+Use these to derive the following conservation laws of the system:
+
+\part Constancy of linear momentum -- i.e., centre of mass fixed in a
+suitable inertial frame. \partmarks{4}
+ \part Constancy of angular momentum. \partmarks{6}
+ \part Constancy of total energy.  \partmarks{8}
+
+How many integrals of motion exist in total?
+\partmarks{2}
+
+Derive the moment of inertia   of the system and demonstrate its
+relevance to criteria for escape of particles from the system.
+\partmarks{6}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/dynamical3.tex b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical3.tex
new file mode 100644
index 00000000000..abc51017ead
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/dynamical3.tex
@@ -0,0 +1,59 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by Declan Diver}
+For a system of  $N$ objects, each having mass  $m_i$ and position
+vector $\mathbf{R}_i$ with respect to a fixed co-ordinate system,
+use the moment of inertia
+\[
+I=\sum_{i=1}^N m_i R_i^2
+\]
+to deduce the virial theorem in the forms
+\[
+\ddot{I}=4E_k+2E_G=2E_k+2E
+\]
+where $E_k$  and $E_G$  are respectively the total kinetic and
+gravitational potential energy, and $E$  is the total energy of
+the system.
+\partmarks{8}
+
+Given the inequality
+\ifbigfont
+  \begin{multline*}
+  \left(\sum_{i=1}^N
+  a_i^2\right) \left(\sum_{i=1}^N b_i^2\right) \\
+\ge \left(\sum_{i=1}^N \mathbf{a}_i\cdot\mathbf{b}_i\right)^2 \\
++ \left(\sum_{i=1}^N \mathbf{a}_i\times\mathbf{b}_i\right)^2
+  \end{multline*}
+\else
+  \begin{equation*}
+  \left(\sum_{i=1}^N
+  a_i^2\right) \left(\sum_{i=1}^N b_i^2\right) \ge \left(\sum_{i=1}^N
+  \mathbf{a}_i\cdot\mathbf{b}_i\right)^2 + \left(\sum_{i=1}^N
+  \mathbf{a}_i\times\mathbf{b}_i\right)^2
+  \end{equation*}
+\fi
+for arbitrary vectors $\mathbf{a}_i$, $\mathbf{b}_i$,
+$i=1,\ldots,N$, deduce the following relationship for the $N$-body
+system
+\begin{equation*}
+\frac{1}{4}\dot{I}^2+J^2\le 2IE_k,
+\end{equation*}
+where $\mathbf{J}$ is the total angular momentum of the system.
+\partmarks{8}
+
+Assuming the system is isolated, use the virial theorem to deduce
+further the generalised Sundman inequality
+\begin{equation*}
+\frac{\dot{\sigma}}{\dot{\rho}}\ge 0,
+\end{equation*}
+in which $\rho^2=I$  and
+$\displaystyle\sigma=\rho\dot{\rho}^2+\frac{J^2}{\rho}-2\rho E $.
+\partmarks{8}
+
+Why  does  this  inequality  preclude  the  possibility  of an
+$N$-fold collision for a system with finite angular momentum?
+\partmarks{6}
+
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/excos1.tex b/Master/texmf-dist/doc/latex/exam-n/sample/excos1.tex
new file mode 100644
index 00000000000..34fa6966ec4
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/excos1.tex
@@ -0,0 +1,46 @@
+\documentclass[compose]{exam-n}
+
+\multiplechoiceanswers{4}
+
+\begin{document}
+
+\begin{mcq}
+In 1908, where was there an airburst `impact'?
+\answer Tunguska
+\item Arizona
+\item Off the Mexican coast
+\item Egypt
+\begin{solution}
+The evidence for this is a dirty big hole in the ground in Siberia.
+\end{solution}
+\end{mcq}
+
+\begin{mcq}
+The fossil record suggests that mass extinction events occur once every how many years?
+\item 2.6 Billion Years
+\item 260 Million Years
+\item 26 Million Years % not marked as correct
+\item 26 Thousand Years
+\end{mcq}
+
+\begin{mcq}
+The habitable zone of our Solar system extends over what distances from the Sun?
+\answer 0.6--1.5 AU
+\item 6--15 AU
+\item 60--150 AU
+\item 600--1500 AU
+% excess item, and a second \answer...
+\answer From the little bear's bed all the way through to daddy bear's
+  bed.  This is known as the `Goldilocks zone'.
+\end{mcq}
+
+\begin{mcq}
+If the temperature of the Sun were to increase by 10\%, how would the
+position of the solar habitable zone change?
+\item It would move closer to the Sun.
+\answer It would move further from the Sun.
+\item It would move to Stornoway.
+%\item There would no longer be a habitable zone.
+\end{mcq}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.pdf b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.pdf
new file mode 100644
index 00000000000..5da7ebd7f71
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.tex b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.tex
new file mode 100644
index 00000000000..3c9b175984b
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1-solution.tex
@@ -0,0 +1,18 @@
+\documentclass{article}
+\usepackage{color}
+\begin{document}
+\color{red}
+\noindent This page and the following two should appear on separate pages (as
+opposed to superimposed on each other), and disappear when the
+noshowsolutions option is present.
+
+\fontsize{72}{72}\selectfont
+\centering
+Numerical 1 solution, page one
+\newpage
+\null\vskip\baselineskip
+Numerical 1 solution, page two
+\newpage
+\null\vskip2\baselineskip
+Numerical 1 solution, page three
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/numerical1.tex b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1.tex
new file mode 100644
index 00000000000..98157ebf683
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/numerical1.tex
@@ -0,0 +1,58 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{20} \author{Graham Woan}
+
+\part The recently-launched \emph{Swift} Gamma Ray Burst telescope is
+expected to detect about 200 bursts of gamma rays during its
+2-year lifespan.  Explain why the Poisson distribution,
+\begin{equation*}
+P(n|\lambda)=\exp(-\lambda)\lambda^n /n!
+\end{equation*}
+is appropriate to describe the probability of detecting $n$
+bursts, and carefully explain the significance of the parameter
+$\lambda$.  Table~\ref{t:excess} has absolutely nothing to do with
+this question, and its presence here is proof positive of the existence of
+aliens who wish to do us typographical harm.\partmarks{4}
+
+% This table is here to check that the table in the _solution_ to the
+% previous question doesn't cause the table counter to be
+% incremented.  This should be Table 2, whether or not solutions are
+% being shown.
+\begin{table}
+\begin{centering}
+\begin{tabular}{r|l}
+\hline
+left&right\\
+\hline
+\end{tabular}
+\caption{\label{t:excess}This is a table}
+\end{centering}
+\end{table}
+
+Given the above, estimate the probability that \emph{Swift} will
+detect more than three bursts on any particular calendar day.
+% Fill up the line, so that we check that (default) \partmarks doesn't
+% include \@partmarksspace, since (default) \partmarks is now fully in
+% the margin.
+Blah. Blah. Blaah. Fill the line.\partmarks{6}
+
+\part Explain how Bayesian inference uses the observed number of
+bursts to infer the true burst rate at the sensitivity limit of
+\emph{Swift}, and explain the significance of the posterior
+probability distribution for  $\lambda$. \partmarks{5}
+\begin{solution}
+\includepdf[pages=-]{numerical1-solution.pdf}
+\end{solution}
+
+Assuming that the posterior, $p$, for $\lambda$ can be
+approximated as a gaussian, show that, quite generally, the
+uncertainty in $\lambda$ inferred from \emph{Swift} will be
+\begin{equation*}
+\sigma \simeq \left( -\frac{\partial^2\ln p}{\partial
+\lambda^2}\Big|_{\lambda_0} \right)^{-1/2},
+\end{equation*}
+where $\lambda_0$ is the most probable value of $\lambda$.
+\partmarks{5}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/numerical2.tex b/Master/texmf-dist/doc/latex/exam-n/sample/numerical2.tex
new file mode 100644
index 00000000000..b47bed21815
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/numerical2.tex
@@ -0,0 +1,41 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by Graham Woan}
+Two variables, $A$ and $B$, have a joint Gaussian probability
+distribution function (pdf) with a negative correlation
+coefficient.  Sketch the form of this function as a contour plot
+in the $AB$  plane, and use it to distinguish between the most
+probable joint values of $(A,B)$  and the most probable value of
+$A$ given (a different) $B$. \partmarks{5}
+
+Explain what is meant by \emph{marginalisation} in Bayesian
+inference and how it can be interpreted in terms the above plot.
+\partmarks{5}
+
+Doppler observations of stars with extrasolar planets give us data
+on $m\sin i$  of the planet, where $m$ is the planet's mass and
+$i$ the angle between the normal to the planetary orbit and the
+line of sight to Earth (i.e. the orbital inclination), which can
+take a value between 0 and $\pi/2$ .
+
+Assuming that planets can orbit stars in any plane, show that the
+probability distribution for $i$ is $p(i) = \sin i$.
+\partmarks{5}
+
+A paper reports a value for $m\sin i$  of $x$, subject to a Gaussian
+error of variance $\sigma^2$.  Assuming the mass has a uniform
+prior, show that the posterior probability distribution for the mass
+of the planet is
+\begin{equation*}
+p(m|x)\propto\int_0^1\exp\left[-\frac{\left(x-m\sqrt{1-\mu^2}\right)^2}{2\sigma^2}\right]
+\ddd \mu,
+\end{equation*}
+where $\mu=\cos i$.
+\partmarks{9}
+
+Determine the corresponding expression for the posterior pdf of
+$\mu$, and explain how both are normalised.
+\partmarks{6}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/numerical3.tex b/Master/texmf-dist/doc/latex/exam-n/sample/numerical3.tex
new file mode 100644
index 00000000000..554de298e9d
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/numerical3.tex
@@ -0,0 +1,42 @@
+\documentclass[compose]{exam-n}
+\begin{document}
+
+\begin{question}{30} \comment{by Graham Woan}
+Distinguish between frequentist and Bayesian definitions of
+probability, and explain carefully how parameter estimation is
+performed in each regime.\partmarks{10}
+
+A square ccd with $M\times M$ pixels takes a dark frame for
+calibration purposes, registering a small number of electrons in
+each pixel from thermal noise. The probability of there being $n_i$
+electrons in the $i$th pixel follows a Poisson distribution, i.e.
+\begin{equation*}
+ P(n_i|\lambda) = \exp(-\lambda)\lambda^{n_i}/n_i!,
+\end{equation*}
+where $\lambda$ is the same constant for all pixels. Show that the
+expectation value of  is $\langle n_i \rangle = \lambda$.
+\partmarks{5} [You may assume the relation $\sum_0^\infty \frac{x^n}{n!}=\exp(x)$.]
+
+Show similarly that
+\begin{equation*}
+ \langle n_i(n_i-1) \rangle = \lambda^2.
+\end{equation*}
+and hence, or otherwise, that the variance of $n_i$ is also
+$\lambda$.
+\partmarks{5}
+
+The pixels values are summed in columns.  Show that these sums,
+$S_j$, will be drawn from a parent probability distribution that is
+approximately
+\begin{equation*} p(S_j|\lambda)=\frac{1}{\sqrt{2\pi
+M\lambda}}\exp\left[-\frac{(S_j-M\lambda)^2}{2M\lambda}\right],
+\end{equation*}
+clearly stating any theorems you use.
+\partmarks{5}
+
+Given the set of $M$ values $\{S_j\}$, and interpreting the above
+as a Bayesian likelihood, express the posterior probability for
+$\lambda$, justifying any assumptions you make.
+\partmarks{5}
+\end{question}
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.pdf b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.pdf
new file mode 100644
index 00000000000..89072959f30
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.tex b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.tex
new file mode 100644
index 00000000000..b8a3eb4a3d2
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam.tex
@@ -0,0 +1,64 @@
+\documentclass{exam-n}
+%\documentclass[bigfont,sansserif]{exam-n}
+%\documentclass[mtpro2,showsolutions]{exam-n}
+%\documentclass[mtpro2,showsolutions,sansserif]{exam-n}
+%\documentclass[draft,showsolutions,sansserif]{exam-n}
+
+% Note: this sample question dates from an earlier phase, in which
+% `paper n' would contain a bundle of questions from various courses.
+% That's why the \coursetitle doesn't match the broad range of
+% subjects being 'examined'.
+%
+% Several of the questions are gibberish.
+%
+% This collection of questions has in part turned into an informal
+% regression test for the class file.
+
+\examdate{Wednesday, 23 May 2007}
+\examtime{9:30 -- 10:45 (1 course)\\9:30 -- 12:00 (2 courses)}
+
+\exambanner{Examination for the degrees of \BSc\,
+  \MSci\ and \MA\ on the honours standard }
+
+\degreedescriptions{Physics 3\\Chemical Physics 3\\Physics with
+  Astrophysics 3\\Theoretical Physics 3M\\Joint Physics 3}
+\schoolcoursecode{P304D and P304H}
+\universitycoursecode{PHYS3031 and PHYS4025}
+\coursetitle{Quantum Mechanics}
+
+\usepackage{pdfpages}
+
+\rubric{Candidates should answer Questions 1 and 2 (10~marks each),
+  \linebreak\textbf{and either} Question 3 \textbf{or} Question 4 (30~marks).
+  \linebreak The content of this sample exam derives from real
+  questions, but the result is in many cases test gibberish.}
+%\norubric
+
+\numquestions{13}
+
+\usepackage{graphicx} % for graphic in dynamical1
+
+\begin{document}
+\maketitle
+
+\section{I}
+\includequestion{cosmo1}
+\includequestion{numerical1}
+\includequestion{dynamical1}
+
+\section{II}
+\includequestion{cosmo2}
+\subsection{Cosmology question number 3}
+\includequestion{cosmo3}
+\includequestion{excos1} % four multiple-choice questions
+
+\section{III}
+% Override the question number, to test/demo this
+\includequestion[99]{numerical2}
+\includequestion{numerical3}
+
+\section{IV}
+\includequestion{dynamical2}
+\includequestion{dynamical3}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.pdf b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.pdf
new file mode 100644
index 00000000000..327cdf20faa
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.tex b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.tex
new file mode 100644
index 00000000000..098c453572b
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/sample_exam_solution.tex
@@ -0,0 +1,64 @@
+\documentclass[showsolutions]{exam-n}
+%\documentclass[bigfont,sansserif]{exam-n}
+%\documentclass[mtpro2,showsolutions]{exam-n}
+%\documentclass[mtpro2,showsolutions,sansserif]{exam-n}
+%\documentclass[draft,showsolutions,sansserif]{exam-n}
+
+% Note: this sample question dates from an earlier phase, in which
+% `paper n' would contain a bundle of questions from various courses.
+% That's why the \coursetitle doesn't match the broad range of
+% subjects being 'examined'.
+%
+% Several of the questions are gibberish.
+%
+% This collection of questions has in part turned into an informal
+% regression test for the class file.
+
+\examdate{Wednesday, 23 May 2007}
+\examtime{9:30 -- 10:45 (1 course)\\9:30 -- 12:00 (2 courses)}
+
+\exambanner{Examination for the degrees of \BSc\,
+  \MSci\ and \MA\ on the honours standard }
+
+\degreedescriptions{Physics 3\\Chemical Physics 3\\Physics with
+  Astrophysics 3\\Theoretical Physics 3M\\Joint Physics 3}
+\schoolcoursecode{P304D and P304H}
+\universitycoursecode{PHYS3031 and PHYS4025}
+\coursetitle{Quantum Mechanics}
+
+\usepackage{pdfpages}
+
+\rubric{Candidates should answer Questions 1 and 2 (10~marks each),
+  \linebreak\textbf{and either} Question 3 \textbf{or} Question 4 (30~marks).
+  \linebreak The content of this sample exam derives from real
+  questions, but the result is in many cases test gibberish.}
+%\norubric
+
+\numquestions{13}
+
+\usepackage{graphicx} % for graphic in dynamical1
+
+\begin{document}
+\maketitle
+
+\section{I}
+\includequestion{cosmo1}
+\includequestion{numerical1}
+\includequestion{dynamical1}
+
+\section{II}
+\includequestion{cosmo2}
+\subsection{Cosmology question number 3}
+\includequestion{cosmo3}
+\includequestion{excos1} % four multiple-choice questions
+
+\section{III}
+% Override the question number, to test/demo this
+\includequestion[99]{numerical2}
+\includequestion{numerical3}
+
+\section{IV}
+\includequestion{dynamical2}
+\includequestion{dynamical3}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/sample_mcq.tex b/Master/texmf-dist/doc/latex/exam-n/sample/sample_mcq.tex
new file mode 100644
index 00000000000..268417ff7d0
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/sample_mcq.tex
@@ -0,0 +1,87 @@
+\documentclass[draft]{exam-n}
+
+\examdate{Today}
+\examtime{Now! -- \emph{you're late!}}
+
+\exambanner{Multiple-choice exam}
+
+\degreedescriptions{Various degrees}
+\schoolcoursecode{MCQ123}
+\universitycoursecode{AssDes101}
+\coursetitle{Assessment Design Strategies}
+
+\rubric{Candidates should choose answers randomly where they feel
+  unable to speculate wildly.}
+
+\multiplechoiceanswers{4}
+
+\begin{document}
+\maketitle
+
+\begin{mcq}
+Which is the first answer in this list?
+\answer Answer one
+\item Answer two
+\item Answer three
+\item Answer four
+\end{mcq}
+
+\begin{mcq}
+How many answers are in this list?
+\item one
+\item two
+\item three
+\answer four
+\end{mcq}
+
+\begin{mcq}
+Which is the incorrect answer in this list?
+\item Correct answer
+\item Another correct answer
+\answer The wrong answer
+\item A final correct answer
+\end{mcq}
+
+\begin{mcq}
+What is the nature of existence?
+\item All good things come to those who wait
+\item The universe makes sense
+\answer Error is inevitable
+\item Om
+\end{mcq}
+
+\begin{mcq}
+How many roads must a man walk down?
+\item Three
+\answer Oooh, I wouldn't walk down there -- it's terribly windy.
+\item Can I introduce you to the notion of the tuning fork?
+\item Third left, then second right, and the nature of existence is
+  available from the leprechaun in the little lane just after the bend
+  in the road.
+\end{mcq}
+
+\begin{mcq}
+How many questions are there in this test?
+\item Six
+\answer Eight
+\item Ten
+\item Twelve
+\end{mcq}
+
+\begin{mcq}
+Is this a reasonable question?
+\item no
+\item yes
+\item is this an answer?
+\answer if you say so
+\end{mcq}
+
+\begin{mcq}
+What is the most important thing about examinations?
+\item They are an accurate measure of understanding
+\item They are repeatable and reliable
+\answer They are nicely formatted
+\item They are stress-free occasions which everyone enjoys.
+\end{mcq}
+
+\end{document}
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/spiral.eps b/Master/texmf-dist/doc/latex/exam-n/sample/spiral.eps
new file mode 100644
index 00000000000..fcf91bb97d1
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/spiral.eps
@@ -0,0 +1,22 @@
+%!PS-Adobe-3.0 EPSF-3.0
+% Shrinking squares, cgl Feb 97
+% Adapted from http://www.ntg.nl/maps/pdf/19_12.pdf
+% this version...
+%%Creator: norman@astro.gla.ac.uk
+%%BoundingBox: 0 0 200 125
+/b 0.6180339887 def  % (\sqrt5-1)/2
+/x 200 def
+/y x b mul def
+/square {
+  0 y lineto y y lineto y 0 lineto
+  y 0 y 180 90 arcn y y translate
+} def 
+0.35 setlinewidth
+16 {
+  0 0 moveto square -90 rotate
+  /x y def /y x b mul def
+} repeat
+stroke
+
+%showpage 
+
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample/spiral.pdf b/Master/texmf-dist/doc/latex/exam-n/sample/spiral.pdf
new file mode 100644
index 00000000000..0119b77d38b
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample/spiral.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample_exam.pdf b/Master/texmf-dist/doc/latex/exam-n/sample_exam.pdf
new file mode 100644
index 00000000000..89072959f30
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample_exam.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/sample_exam_solution.pdf b/Master/texmf-dist/doc/latex/exam-n/sample_exam_solution.pdf
new file mode 100644
index 00000000000..327cdf20faa
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/sample_exam_solution.pdf
diff --git a/Master/texmf-dist/doc/latex/exam-n/style.css b/Master/texmf-dist/doc/latex/exam-n/style.css
new file mode 100644
index 00000000000..c7be40749ab
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/exam-n/style.css
@@ -0,0 +1,230 @@
+body {
+  color: #333;
+  background: white;
+  margin-left: +30%;
+  width: 50%;            /* body is 50% of screen width */
+  margin-right: auto;    /* ie, 20% */
+  padding: 0.5em;        /* this will make a difference if I decide to
+     			    have the background a different colour */
+  /* I can't decide on font: Optima's always nice, but Gill looks
+     agreeably intense.  Helvetica's a decent fallback. */
+  font-family: "Helvetica Neue", Helvetica, "Gill Sans", gill, sans-serif;
+  /* font-family: Optima, "Gill Sans", gill, Helvetica, sans-serif; */
+  /* font-family: "Gill Sans", gill, Helvetica, sans-serif; */
+  /* I seem to have used 11pt at some point in the past, but this
+     is far too big -- did I ever have a reason for that, or is it
+     just due to browser changes? */
+  font-size: 10pt;
+  line-height: 150%;
+}
+
+div.topsidebar {
+    float: right;
+    width: 50%;                 /* ...of the body width (ie, 50% x 50% of screen) */
+    font-size: smaller;
+    margin-left: 1em;
+    padding-left: 1em;
+    border-left: solid thin #AAA;
+}
+
+/* On wider screens, move the sidebar out to the right hand side */
+/* This uses CSS3 media queries: http://www.w3.org/TR/css3-mediaqueries/ */
+@media screen and (min-width: 700pt) and (max-width: 850pt) {
+    body {
+        margin-left: 210pt;
+        width: 350pt;           /* 50% of 700pt */
+        margin-right: auto;
+    }
+    div.topsidebar {
+        position: absolute;
+        /* I feel this size should be 595pt (350 + 210 + 0.05*700),
+           but that's clearly not right -- I don't think I understand what the -5%
+           in the h1 spec below is actually 5% of! */
+        left: 570pt;
+        width: auto;
+        margin-left: 0pt;
+        padding-left: 0pt;
+        border: none;
+    }
+}
+/* On still-wider screens, expand the left-margin, keeping the sidebar attached to the right-hand edge.
+   When the screen is 850pt wide (expanding from the @media case above),
+   the left margin will be 210pt, the width 350pt, and the right margin therefore 290pt.*/
+@media screen and (min-width: 850pt) {
+    body {
+        margin-right: 290pt;    /* 290 = 850-(210+350) */
+        width: 350pt;
+        margin-left: auto;      /* ...takes up the slack */
+    }
+    div.topsidebar {
+        position: absolute;
+        width: 290pt;           /* same 290pt as above */
+        left: auto;
+        right: 0%;
+        padding-left: 0pt;
+        border: none;
+    }
+}
+
+
+code, pre {
+  font-family: Monaco, fixed;
+  font-size: 9pt;
+}
+
+a { text-decoration: none; }
+a:link { color: #66C; }
+a:visited { color: #669; }
+a[href]:hover { background: #EEE; }
+
+div.abstract {
+  font-style: oblique;
+  text-align: left;
+}
+div.abstract em { font-style: normal; }
+div.abstract code {
+  font-style: normal;
+  font-size: 80%;
+}
+
+/* a span/div style for attracting attention */
+.attention {
+  color: #822;
+}
+
+h1, h2, h3, h4, h5, h6 {
+  color: #822;
+  font-weight: 100;             /* few fonts have ultra-light weights */
+  line-height: 100%;            /* no need to spread out titles */
+}
+h1 {
+  margin-left: -40%;
+  margin-right: -5%;
+  padding: 0.5em;
+  border: solid thin #666;
+  text-align: right;
+}
+h2 {
+  margin-left: -40%;
+  margin-right: -5%;
+  padding: 0.2em;
+  border-top: solid thin #666;
+  clear: both;
+}
+
+h2.appendices {
+  margin-top: 10ex;
+  border-top: double medium #666;
+}
+h3 {
+  margin-left: -30%;
+  float: left;
+  width: 25%;
+  display: block;
+  text-align: right;
+  vertical-align: bottom;
+  padding-top: 0pt;
+  padding-right: 0.5em;
+  margin-top: 0pt;
+  line-height: 100%;
+}
+
+/*
+h4 {
+  color: #C66;
+}
+*/
+
+pre, table { background: #dde; }
+
+pre {
+  padding: 1em;
+  line-height: 130%;
+}
+
+table {
+  font-size: smaller;
+}
+td {
+  padding: 0.5ex;
+}
+
+Q:before { content: "“"; }
+Q:after  { content: "”"; }
+
+img.smallimage {
+  float: right;
+  margin: 24pt;
+  margin-right: -30%;
+}
+
+div.signature {
+  margin-left: -40%;
+  margin-right: -5%;
+  margin-top: 4ex;
+  text-align: right;
+  border: solid thin #666;
+  padding: 0.3em;
+  clear: both;
+}
+
+/* ============================================================
+ * Some other curiosities of my one-time formatting for web pages
+ */
+.doc-history {
+  font-size: xx-small;
+  background: #eee;
+  line-height: 100%;
+}
+
+div.subtoc, div.subsubtoc { display: none; }
+
+/* ============================================================
+ * Special formatting for ToC
+ */
+
+/*
+  If there's significant amount of text in front of the first subsection,
+  then the following are good to put in the per-document stylesheet:
+  width: 25%;
+  float: right;
+*/
+div#toc {
+  color: #888;
+  padding: 0;
+  font-size: smaller;
+  text-align: right;
+}
+div#toc a:link { color: #888; }
+div#toc > ul {
+  padding: 0pt;
+  margin: 0pt;
+  list-style: none;
+}
+div#toc li {
+  padding: 0pt;
+  display: inline-block;
+}
+div#toc li:before {
+  content: "§ ";
+  margin-left: 1em;
+}
+/* the following elements aren't currently generated by structure.lx */
+div#toc li ul {
+  padding-left: 1em;
+  margin-left: 0;
+  font-style: italic;
+  display: inline;
+}
+div#toc li ul:before {
+  content: "( ";
+}
+div#toc li ul:after {
+  content: " ) ";
+}
+div#toc li li {
+  padding-left: 0pt;
+}
+div#toc li li:after {
+  content: "; ";
+}