%% mPICm02b.m  (figure 2b)
%% mathsPIC    axes
%%-------------
\documentclass[a4paper]{article}
\usepackage{pictexwd}
\begin{document}
%%---------------
\beginpicture
%% setup the plot area
paper{units(cm),xrange(-2,3),yrange(-2,3),axes(XY),ticks(1,1)}
\endpicture
%%-------------------
\end{document}