GNU Octave is a high-level language, primarily intended for numerical computations. It provides a convenient command-line interface (CLI) for solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB.
Rosetta Stone is a proprietary computer-assisted language learning software package. The software uses images, text, sound and video in a repetition for users to learn new languages. Rosetta Stone is available for home, educational, and business use through download or packaged software for Windows and Mac devices.
