A black t-shirt with several equations and figures relating to pi.

Pi Lingual T-Shirt 2XL

SKU:
S199952
$27.95
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Description

Can you wield the equations of the circle? If so, you're pi-lingual! This black t-shirt features several mathematical formulas that use pi, expresses pi to the 50th digit. Made with 100% heavyweight preshrunk cotton.