Ruby is an incredibly easy language to learn, and there's a lot of evidence why it is simple to break into and start.

A linear algebra program for the TI-84 Plus CE graphing calculator. Matrix automates the mechanical parts of linear algebra, such as computing determinants, row reductions, inverses, Cramer's rule, ...

As I’ve written many times in many columns over many years, to practice law (litigation, especially) is to slave to about a zillion rules. There are rules for nearly everything of which the legal mind ...