Package mathomatic

Small, portable symbolic math program

http://www.mathomatic.org/math/

Mathomatic is a small, portable symbolic math program that can
automatically solve, simplify, differentiate, combine, and compare
algebraic equations, perform polynomial and complex arithmetic,
etc. It was written by George Gesslein II and has been under
development since 1986.

General Commands
Command Description
mathomatic a computer algebra system
rmath a computer algebra system with functions and readline