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PURPOSE

A complete and easy to use package for typesetting pretty 
tables of signs and variations according to french usage.

The syntax is similar to that on array environment 
and uses intuitive position commands to draw arrows
automatically (with pstricks by default or tikz in option).
 
Many functionnalities are provided for drawing twin bars, 
single bars crossing the zeros, areas where the function 
is not defined, placing special values,... 

The design of tables can be customized.

The documentation is in french.


EXAMPLE

A simple example of a table with 4 intervals (and 4 arrows) :
\[
\begin{tablvar}{4}
    \hline
    x & -5 && -1 && 2 && 3 && 5 \\
    \hline
    f'(x) & & + & 0 & - & 0 & + & 0 & - & \\
    \hline
    \variations{ \mil{f(x)} & \bas{0} && \haut{2} && \bas{1} && 
        \haut{4} && \bas{-3} }
    \hline
\end{tablvar}
\]


LICENSE

This file 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