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A comment on What's the most mind-blowing fact you heard/read in your life?. Parent comment

Re:What's the most mind-blowing fact you heard/read in your ... by lnnegativeone on Tuesday October 12, 2010 @04:50AM (#1782749)
which also means that ln(-1) = i*pi

o, and another cool one is (1/2)! = sqrt(pi)

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Re:What's the most mind-blowing fact you heard/read in your ... by nl on Wednesday October 13, 2010 @11:38PM (#1789739)
appropriate username!
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