Gifts for the Girl Geek
Sunday, July 20, 2008
Casual Pi Day
While March 14th (3.14) is the official Pi day, July 22 (22/7 European style) is
Pi Approximation Day
. MathematiciansPictures.com has lots of
gear with "Casual Pi Day" graphics
, including t-shirts, mugs and posters.
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