Formula Wan

Is an interesting racing game, but like MyBrute, you can only play it once a day (depending on how many managers, you have). Click on the photo for the game or here.

Algebraic surfaces

I like this list of mathematical formulas for describing shapes (or, in fancy terms, 'algebraic surfaces'). You can try these out with the 'Grapher' program that Apple ships with its system (or any other 3D graphing program).