MIT Open Course Ware

For those readers who may be jonesing for more math instruction or are just interested in checking out some college coursework, the MIT Open Course Ware program looks pretty cool. I have not used it, but it is "a free publication of MIT course materials that reflects almost all the undergraduate and graduate subjects taught at MIT." You don't get any kind of college credit with it, but you can take advantage of lecture notes, assignments, and classroom lecture videos to learn something new or review something you used to know. They have over 1800 undergraduate and graduate courses available.