Calculus Made Easy for the Ti89/Titanium/Ti-92+/Voyage200
This Calculus program is an excellent collection of subprograms and menus that will help the user solve almost every imaginable calculus problem and recall useful theorems, definitions, and rules. Instructors will enjoy using this program for in-class demonstrations, students even more.

Behavioural Calculus by Orfeo Bernardo
Behavioural Calculus with Analytical and Visual 3 Space for windows. Promtional freeware is available.