Easy as Pi T-shirt
As seen on TV in the Numb3rs episode "Atomic Number 33".
BEST SELLER. Comes in Adult and Youth sizes.
BEST SELLER. Comes in Adult and Youth sizes.
Available in regular unisex, women's soft, ringspun Hanes Women's classic fit, and Hanes Beefy-T, and Youth sizes.
Peace of Pi Kanji T-shirt
New! Limited availability in Adult and Youth sizes.
Pi By Numerals Math Geek T-shirt
Available in regular unisex, women's Hanes classic fit, and Youth sizes.
Pi Digits T-shirt
BEST SELLER
Comes in Adult and Youth Short Sleeve, and in Adult Long Sleeve.
Comes in Adult and Youth Short Sleeve, and in Adult Long Sleeve.
Available for in regular unisex, women's soft ringspun Hanes Classic Fit, and Youth sizes.
Pi Symbol Glow T-shirt
Glows in the dark!
Comes in Unisex, Women's, and Youth sizes, and in Adult Long Sleeve.
Comes in Unisex, Women's, and Youth sizes, and in Adult Long Sleeve.
Pi-nk Pi Math Geek T-shirt
Available in Scoop Neck and Youth sizes!
Pi-rate Math Geek T-shirt
Available in regular unisex, women's classic fit, and youth sizes.
Super Pi T-shirt
Comes in Adult and Youth sizes.
Also available for Pi Day in women's sizes..
Pricing: $24 ($27 for 2XL & larger).
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