MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
GNU 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.
Steps - A steps app that promotes some competition
WIRIS cas - WIRIS cas is a web-based program for mathematical calculations.