% Automatically generated by Texinfo math to image code

\documentclass[fleqn]{minimal}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{amsthm}
\usepackage{amssymb}
\usepackage{bm}
\usepackage[active,tightpage]{preview}
\pagestyle{empty}
\setlength{\abovedisplayskip}{0pt}
\setlength{\belowdisplayskip}{0pt}
\setlength{\abovedisplayshortskip}{0pt}
\setlength{\belowdisplayshortskip}{0pt}
\begin{document}
\begin{preview}
${x^i}\over{\tan y}$
\end{preview}

\begin{preview}
${{x^i}\over{\tan y}} + \frac{x^i}{\tan y} + \frac{x^j}{\tan y} - \frac{x^j}{\tan z}
 \times \frac{x^i}{\tan y}$
\end{preview}

\begin{preview}
$a \backslash{} b $
\end{preview}

\begin{preview}
$\mathtt{math code} a < b$
\end{preview}

\begin{preview}
$\underline{\mathtt{math \hbox{ code }}} \sum_{i}{\underline{\mathit{eff}}}$
\end{preview}

\begin{preview}
$\sum_{i} f(x)^{2}$
\end{preview}

\begin{preview}
$\hat{a}ééççàààà$
\end{preview}

\begin{preview}

\[-- f(x) = {1 \over \sigma \sqrt{2\pi}}e^{-{1 \over 2}\left({x-\mu \over \sigma}\right)^2}
\]
\end{preview}

\begin{preview}

\[ f(x)
= {1\over\sigma\sqrt{2\pi}}
     e^{-{1\over2}\left({x-\mu\over\sigma}\right)^2}
\]
\end{preview}

\end{document}
