If you usually need to perform a lot of complex mathematical and numerical calculations, and you need a tool to interpret this kind of language in a more easy and convenient way, you do not need to look around more, download now Octave. Octave Forge is a high-level programming language that was built to suffice the need of executing numerical computations and develop.
Octave is a great mathematical tool that allows you to do all sorts of advanced numerical calculations through the interpretation of this language, which is a good alternative app to MatLab.