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A comment on Squaring two digit numbers in your head. Parent comment

Re:Squaring two digit numbers in your head by frankus on Monday March 29, 2010 @12:42PM (#1226879)
The other author (also my frosh Calculus prof) did a TED talk a while back:

http://www.youtube.com/watch?v=M4vqr3_ROIk

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