On Nov 9, 2010, at 8:08 PM, Joe Bohanon wrote: > > As for the GUI version, check out GGAP: > > http://ggap.sourceforge.net/ There is an installer for GAP and GGAP (Windows and OSX) at http://www.math.colostate.edu/~hulpke/CGT/education.html which might be useful as well. Best, Alexander Hulpke