I don't like the Mathematica language per se very much, but the massive number of built-in functions, the excellent graphing capabilities, and the interactive e

I don't like the Mathematica language per se very much, but the massive number of built-in functions, the excellent graphing capabilities, and the interactive environment are just dazzling. If your goal is to run a fairly simple simulation and visually explore the results, Mathematica is in a league of its own.