June 16th, 2009 is the 7th anniversary of the very first release of Tux Paint, and thusly has been declared Tux Paint Day! What is Tux Paint, you ask? It’s a very fun open source drawing program ...

Tux of Math Command, or simply Tux Math, is just such a program. See Figure 4. Tux Math is almost identical to Tux Typing's Comet Zap game. Here we have the falling blue comets. Only this time, they ...