Here's another nice math site:

Final Answers - Science - NUMERICANA

Maybe you've seen it, but if not, here it is. Lot's of different topics.

Seems like a nice site. A lot of work went into it. My only thought (and I haven't yet found a way to verify it) is whether or not it is updated on a regular basis. But even if it isn't it still seems to be fairly useful as a source of information.

-Dan

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