...

CISER's service includes free-to-you access, from your own computer, to Mathmatica, Matlab, and many other software packages running on higher-end systems:

http://www.ciser.cornell.edu/computing/software.shtml

Run expensive software on CISER's high-end hardware from almost any computer (Windows, Mac, or Linux). All software licensing is pre-paid, and the installation and configuration is maintained by experts.

How to connect, and other vital instructions

...