> i'm not very eloquent in CM or LISP (but i have a Mac with the software in- > stalled -- maybe i find some time to have a look at the plotter code). do yo mean to say you have Guile 1.5.6 or 1.6.0 running on a Mac? If so where can I get these souces? i assume you mean osx, too? > Where are places you could need some help? geez, dont get me started!