## 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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Calculus Derives Me Mad Math Humor Mug

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funny math joke Tile Coaster

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Mother Function, Math Humor T-Shirt