\documentclass[12pt,letterpaper,onecolumn]{book}
\usepackage{makeidx}

\title{SAMPLE\_FOX\_TO\_MATH}
\author{CULLY Technologies, LLC}
\date{07/20/2006}
\makeindex

\begin{document}
\maketitle

\tableofcontents
\section{Here is an equation example:}


\begin{equation}
\varphi(x,z) = z - \gamma_{10} x - \sum_{m+n\ge2} \gamma{mn} x^m z^n
\end{equation}
 \index{Equation Example} 
\pagebreak
\section{Here is an 'Display Math' example:}


\begin{displaymath}
\left(\int_{-\infty}^{\infty} e^{-x^2}\right)=\int_{-\infty}^{\infty}\int_{-\infty}^{\infty}e^{-(x^2+y^2)}dx\,dy
\end{displaymath}
 \index{Display Math Example} 
\pagebreak
\printindex
\end{document}
