wxMaxima
GNU Octave
Wolfram Mathematica
Maxima
MATLAB
Sage Math
Scilab
Maple
microMathematics Plus
QtOctave
SMath Studio
GNU Octave
Scilab
Derive
WIRIS cas
Qalculate!
wxMaximaGNU Octave - GNU Octave is a programming language for scientific computing.
QtOctave - QtOctave: a front-end for Octave/un Front-End para Octave
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.
SMath Studio - Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.
Maxima - Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming