Mathomatic is a free, portable command line application designed to ease your work with mathematical equations. It combines and solves problems containing many variables, simplifies and compares mathematical expressions and equations, does simple calculus transformations and series, performs general real number, imaginary number, and polynomial arithmetic and calculations. You can generate efficient C, Java, or Python language code from simplified equations, plot functions with gnuplot in two or three dimensions and much more.

Mathomatic is a computer algebra system (CAS), meaning all constants are one or more floating point values. All numerical arithmetic is standard floating point ...Read more about Mathomatic