## Pi by the Numbers

Pi by the Numbers. When performing those really long and complicated calculations it is important to always have a handy reference for what Pi really is. Any decent mathematician or math geek should have this shirt ready to use in just such an emmergency.

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## More Great Gift Sites

## Popular Math Geek Gifts

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Coffee into Theorems

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Whiteboard with Blue Marker Math Large Wall Clock

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Junior Jersey T-shirt (dark)

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Pi to 1001 Digits Mug

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Operators Are Standing By iPhone 5/5S Tough Case

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Retro Pi Painting Drinking Glass

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Math Chivalry Wall Art

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mandalbrot_archipelago T-Shirt