Here are two new math programs I found on SAL that might have educational uses. http://www.chez.com/prigaux/mathplot.html http://www.chaos.umd.edu/~dsweet/KDE/KLab/ -- Doug Loss A life spent making mistakes is not only Data Network Coordinator more honorable, but more useful than a Bloomsburg University life spent doing nothing. dloss@bloomu.edu G. B. Shaw