summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex')
-rw-r--r--Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex17
1 files changed, 17 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex
new file mode 100644
index 00000000000..fb2cdf571fa
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex
@@ -0,0 +1,17 @@
+\documentclass{article}
+\newcounter{saveeqn}
+\newcounter{prenum}
+\newcommand{\vareqn}[2]{\setcounter{saveeqn}{\value{equation}}%
+ \setcounter{equation}{0}\setcounter{prenum}{#1}
+ \renewcommand{\theequation}{\arabic{prenum}[#2{equation}]}}
+\newcommand{\reseteqn}{\setcounter{equation}{\value{saveeqn}}%
+ \renewcommand{\theequation}{\arabic{equation}}}
+\begin{document}
+\setcounter{equation}{9}
+\vareqn{33}{\Alph}
+\begin{equation} \frac{a^2 - b^2}{a + b} = a - b \end{equation}
+\begin{equation} \sqrt[3]{-q + \sqrt{q^2 + p^2}} \end{equation}
+\begin{equation} \sqrt[n]{\frac{x^n - y^n}{1 + u^{2n}}} \end{equation}
+\reseteqn
+\begin{equation} 2\sum_{i=1}^n a_i \int^b_a f_i(x) g_i(x)\,dx \end{equation}
+\end{document}