
Thursday is Pi Day and it is a celebration of the number Pi (or π) -- the ratio of a circle's circumference to its diameter, which is equal to approximately 3.14159. It's also a day to gorge on pie. And...
via NBC New York - Top Stories http://www.nbcnewyork.com/news/tech/Fun-Ways-To-Get-Into-the-Pi-Day-Holiday-Spirit-198178041.html
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