\documentclass[12pt]{article}
\usepackage{amssymb}
 \setlength{\textheight}{10.4in}
 \setlength{\topmargin}{-1in}
 \setlength{\headheight}{0in}
 \setlength{\topsep}{0in}
 \setlength{\marginparwidth}{0in}
 \setlength{\marginparsep}{0in}
% \setlength{\footskip}{4pc}
%\setlength{\footheight}{0in}
 \setlength{\oddsidemargin}{0in}
 \setlength{\evensidemargin}{0in}
 \setlength{\textwidth}{6.4in}
 \setlength{\parskip}{4pt}
 \setlength{\parindent}{0pt}
 \def\MAPLE{{\tt maple}}
\usepackage{alltt}
\usepackage{hyperref}
\def\bx#1{\fbox{\bf #1}}
\def\BF#1{{\bf #1}}
\begin{document}
\input{hwork1.txt}

\input{hwork2.txt}

\input{hwork3.txt}

\input{hwork4.txt}

\input{hwork5.txt}

\input{hwork6.txt}

\input{hwork7.txt}
\newpage
\input{hwork8.txt}

\input{hwork9.txt}

\input{hwork10.txt}

\input{hwork11.txt}

\input{hwork12.txt}

\input{hwork13.txt}

\input{hwork14.txt}

\input{hwork15.txt}
\end{document}
