\documentclass[10pt]{article}
\begin{document}
\tableofcontents
\newpage
\title{Title Goes Here}
\author{Author1 \and \copyright Author 2}
\date{Date}
\maketitle
\section {First Section}
Beginning of the first paragraph \dotfill

\include{file1}

Second paragraph...
\subsection {first subsection}
Beginning of the first paragraph 

\begin{verbatim}
   verbatim text ...
     a b c d e f g
      h i j k l m n
       o p q r s t u
        v w x y z
\end{verbatim}

Second paragraph...
\subsubsection{first sub-sub-section}
Beginning of the first paragraph

Second paragraph.  Followed by display math [equation (\ref{eq1})] ...

\begin{equation}\label{eq1}
\sum_{i=0}^{i=10} \phi_i(3)
\end{equation}

\section {Second Section}
Beginning of the first paragraph. Inline math - $\int_0^1 \sin(x) dx$

Second paragraph. Inline math - $\displaystyle{\int_0^1 \sin(x) dx}$

\subsection {second subsection}
Beginning of the first paragraph

Second paragraph...

\fbox{Boxed Text}

\section {Lists}
\begin{enumerate}
\item One 
\item Two
\item Three
\end{enumerate}
\begin{itemize}
\item one 
\item two
\end{itemize}

\section {References}

See \cite{DandJ}

\appendix 

\begin{thebibliography}{99}
\bibitem{DandJ} Dow, W. \& Jones, E.A.,
{\it Wall Street Journal},
March 29, 1929.
\end{thebibliography}

\end{document}