Thread: Cool multiplication technique for large numbers...
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Old July 14th 07, 01:18 AM posted to rec.aviation.homebuilt
Jim Logajan
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Default Cool multiplication technique for large numbers...
cavelamb himself wrote:
An interesting and simple way to multiply large numbers on paper...

http://www.youtube.com/watch?v=owMjAbkU1eE

The math in this is even better (classic!):

http://www.youtube.com/watch?v=avDxWrdbjws