A fun demonstration of playing with numbers

Jan. 6th, 2008 08:49 pm
xiphias: (Default)
[personal profile] xiphias
My aunt actually emailed this link around. In it, Arthur Benjamin (a math professor at Harvey Mudd in his day job) does fifteen minutes of impressive mental arithmetic. If you enjoy numbers, you may enjoy this.

http://www.ted.com/talks/view/id/199
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