Environment for rapid engineering and scientific prototyping and data processing.
In addition to supporting many MATLAB functions and some IDL functionality, it features a codeless interface to external C, C++, and Fortran code, further parallel distributed algorithm development (via MPI), and has plotting and 3D visualization capabilities.
It is great to finally have Freemat available on my iPhone! Freemat is a free clone of Matlab, which I have been using for many years with my Engineering classes.