50% off storewide closeout sale!

This is a going-out-of-business sale. This was started as a family business, and since my divorce several years ago, my heart hasn't been in it. So I'm moving on.

Everything is 50% off, while it lasts! The discount happens as soon as you put something in your cart.

Several designs are completely sold out and no longer available, and most shirts have sold out in one or more sizes.

Click here to see shirts listed by sizes that are still available.

Click here for for Women's shirts sorted by available sizes.

Click here for for Youth shirts sorted by available sizes.

Orders over $200 get a 15 percent discount and free USA shipping; orders over $400 get a 20 percent discount and free USA shipping.

Pi T-shirts


Women's Pi T-shirts
9 products

Youth Pi T-shirts
8 products

Featured products

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Products

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Chinese Pi Women's Tank Top
The Chinese symbols for "Circle Circumference Ratio", i.e. Pi. $20.
Lemon Pi Women's Math T-Shirt
Lemon Pi The first nine digits of Lemon Pi.

$20
Peace of Pi Kanji T-shirt (Youth Small only)
The Japanese/Chinese character for Peace, surrounded by digits of Pi, printed on a blue Tie-Dyed t-shirt.

Available in Youth Small (6-8) only.

Price: $20.
Key Lime Pi T-shirt (4XL only)

Key Lime Pi T-shirt features a key, a chemical formula for lime, and the Pi symbol.
Black 4XL only.

Price: $20.

Be Rational Get Real i vs pi T-shirt - Sold Out

Available in Women's premium ringspun Hanes Nano classic fit XL.

Price: $20.

Pi-Lingual Math T-shirt - SOLD OUT

The Pi-Lingual t-shirt features geometric diagrams for area and circumference of a circle, and a wide variety of advanced formulae featuring Pi.
T-shirt is Black. Available only in Small and 2XL.

Price: $20.