Package maxima

Symbolic Computation Program

http://maxima.sourceforge.net/

Maxima is a full symbolic computation program. It is full featured
doing symbolic manipulation of polynomials, matrices, rational
functions, integration, Todd-coxeter, graphing, bigfloats. It has a
symbolic debugger source level debugger for maxima code. Maxima is
based on the original Macsyma developed at MIT in the 1970's.

General Commands (Section 1)
maxima
Maxima is a version of the MIT-developed MACSYMA system, modified to run under Common Lisp. It is an interactive expert system and programming environment for...