Thanks! Working on getting a fully static version of the site up. Argh, Wordpress with even caching plugins, still folds. (It's on reddit and getting 100x normal traffic). Eventually a postmortem will be in order.

Static links to some favorites:

• Imaginary numbers: http://webcache.googleusercontent.com/search?q=cache:http://...

• Understanding e: http://webcache.googleusercontent.com/search?q=cache:http://...

• Intuitive Trig: http://webcache.googleusercontent.com/search?q=cache:http://...

• Calculus intro: http://webcache.googleusercontent.com/search?q=cache:http://...

• Sine waves: http://webcache.googleusercontent.com/search?q=cache:http://...

• Euler's Formula: http://webcache.googleusercontent.com/search?q=cache:http://...

• Linear Algebra: http://webcache.googleusercontent.com/search?q=cache:http://...