Mathematica is one of my favorite tools. I first learned about it (version 2–it is now version 8) as an undergraduate at Georgia Tech. I learned how to use it in the computer labs, but I wanted to use it in my dorm room. Unfortunately, I was reminded about the necessity of a floating-point unit …
Dr. Jason W. Ellis' Blog on Science Fiction, Research, Pedagogy, Computers, and LEGO
Dynamic Subspace 