Caos Graph is a equation grapher. Easy interface but with advanced functions, like integral calculation and viewing. Find X values, curve angles, find min/max values, f(0) and so on. Zoom in/out by clicking the mouse. Project management for drawing multiple graphs.
Requires Win 3.x or later. 

Full Install and uninstall support.

Shareware (10$ for single user, 100$ for multiuser).

May be distributes freely if distributes in it's entirely and without any changes except for compressing purposes.

To contact me, send a e-mail to brianp@post6.tele.dk