\documentclass[a4paper,twoside,12pt]{article}

%Delete those of the following which are not used to save compiler time.
\usepackage{latexsym,amssymb,amsmath}

%A general macros file including \nicetext and \hbline + \heline.
\input{macros}

%Some page sizing commands which make nice use of A4 paper.
\setlength{\textwidth}{145.25mm}	%137mm is the standard a4 pagewidth
\setlength{\textheight}{215mm}
\setlength{\topmargin}{0mm}

\begin{document}

