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Arthur Benjamin does "Mathemagic" ...
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cmeisenzahl
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Jul 17, 2008, 08:42 AM
 
Absolutely amazing.

Arthur Benjamin does "Mathemagic" | Video on TED.com
"In a lively show, mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does he do it? He’ll tell you."
http://www.ted.com/index.php/talks/a...athemagic.html
     
Tiresias
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Jul 20, 2008, 08:39 AM
 
The man has an excruciatingly annoying stage presence.
     
wallinbl
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Jul 20, 2008, 09:48 AM
 
Makes you wonder what's going on when he gets numbers wrong and the people with the calculators confirm his wrong answers...
     
mdc
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Jul 20, 2008, 11:52 AM
 
That was rather impressive.
     
SirCastor
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Jul 20, 2008, 01:21 PM
 
I enjoyed that.
I often think I need to put more effort into my mathematics knowledge
2008 iMac 3.06 Ghz, 2GB Memory, GeForce 8800, 500GB HD, SuperDrive
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mdc
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Jul 20, 2008, 05:01 PM
 
I'd like to hear more about his word number association that he used while squaring the five digit number.
     
PB2K
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Jul 21, 2008, 02:11 AM
 
calculators..never leave home without them
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