Behavioural Calculus by Orfeo Bernardo
Behavioural Calculus with Analytical and Visual 3 Space for Windows. Promotional freeware is available.
Calculus Made Easy for the Ti89/Titanium/Ti-92+/Vo
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.
SID2002 Math Expert System
Sid2002 is a powerful software that solves any problem in calculus and shows step by step solution using artficial intelligence.
The Integrator
An online integrator that automatically evaluates integrals.