THE SCIENCE TeeCHER :: Math T-shirts :: Pi T-shirts :: Pi Symbol Glow T-shirt

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 Symbol Glow T-shirt

Pi Symbol Glow T-shirt See larger images below
Glows in the dark!
Comes in Adult and Youth sizes, and in Adult Long Sleeve.

The Greek letter Pi, ringed by the first 130 digits of the irrational number Pi. The symbol outline and the digits glow in the dark.

Available colors: Black, Indigo Blue, or Violet, depending on size.
"Adult" short-sleeve shirts available in sizes XL through 4XL (Long-sleeve in Large only).

Women's Hanes Nano ringspun soft classic fit available in sizes Large and XL.

Youth shirts available in Youth Small (6-8). (Note: Adult sizes are standard screen printing shirts. They fit women, just not as well as Women's sizes do.)

Price: $20.

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Black Pi Symbol Glow T-shirt
Indigo Blue Pi Symbol Glow T-shirt
Violet Pi Symbol Glow T-shirt