PCCgraphMacros.pl - A collection of tools found to be useful for graphs during the development of the PCC problem library.
This file implements graphing subroutines developed for use in problems originally developed for a PCC problem library
To use it, load the macro file:
loadMacros(
"PGstandard.pl",
"MathObjects.pl",
"PCCgraphMacros.pl",
);