Sneak peak at my latest Pythonic Math write-up (CP4E files): http://www.4dsolutions.net/ocn/pymath.html Great meeting summaya at BarCamp recently, including Kevin Altis of PythonCard fame **. Kirby === ** I recently demoed PythonCard to Wanderers, in part to contrast assembly language device driving of pixels, vs. painting to a canvas supported by the OS and widget libraries -- PythonCard being an example of the latter strategy, Wanderer Bill Sheppard being an example of an assembly language programmer in my class.