SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.

Cadabra - Cadabra is the name of a universal computer algebra system designed for those users looking for the solution to problems encountered in the filed theory.

Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

Maxima - Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.

Mathcad - Mathcad is engineering calculation software that drives innovation and offers significant process...