High Quality Content by WIKIPEDIA articles! Genius (also known as the Genius Math Tool) is a free open source numerical computing environment and programming language, similar in some aspects to MATLAB, GNU Octave, Mathematica and Maple. Genius is aimed at mathematical experimentation rather than computation intensive tasks. It is also very useful as just a calculator. The programming language is called GEL and aims to have a mathematical friendly syntax. The software comes with a command line and a GUI interface. The graphical version supports both 2D and 3D plotting.