Matlab Download
If you are looking for a great interactive environment that would allow you to perform even the most computationally intensive tasks quickly and effectively, try MatLab - a perfect program for creating and compiling your data faster than with the traditional programming languages, such as C, C++ and Fortran.
This program is available in trial version. To access it you have to register on the publisher's website and provide them with your e-mail, physical address, and valid phone number.