There is a package called MuPAD that will do this. Try a search on 'mupad' at http://www.hotbot.com. Cheers, Jim On Thu, 12 Dec 1996, Chuck Noyes wrote: > Does anyone know of a program that will handle 2D or 3D mathematical > graphing, where the user would specify some function y=f(x) and the program > would plot the > equation on an xy or xyz graph?