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.

Women's 2XL

Products

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Schrodinger's Cat Women's Math T-Shirt
Does the uncertainty principle allow us to believe that the cat simultaneously is and isn’t there?

$20.
Reality T-shirt

"Reality is for people who can't handle the square root of -1."
T-shirt is Black. Available in Women's Premium Hanes Nano Small, Medium, Large, and 2XL, and in Adult 3XL, 4XL, 5XL.

Pricing: $20.

Quadratic Formula T-shirt 3

Available in men's and women's sizes.

The quadratic formula with a diagram of a completed square, and the phrase "Solutions for the completely square."
Available in Black, Ash Gray, Violet, Yellow, Stone Blue, Navy Blue, or Orchid, depending on size.

Pricing: $20.
Blemish sale item: Stone Blue Small for $12.

Pi-rate Math Geek T-shirt

Available in women's sizes, and in youth small (6-8).

Price: $20.

Pi Digits T-shirt
BEST SELLER
Available in Adult, Women's, and Youth sizes.


Price: $20

Pi By Numerals Math Geek T-shirt
Available in Adult Large and 4XL; Women's 2XL; Youth Small (6-8) and Medium (10-12).

A few thousand digits of Pi, arranged so that you can read them in continuous order through the shirt, printed in the form of a Pi symbol. Available in Men's, Women's classic fit, and Youth sizes.

Lemon Pi Women's Math T-Shirt
Lemon Pi The first nine digits of Lemon Pi.

$20
It's Undecided Maternity Shirt
1+1=x This is a maternity shirt for when you don’t know (or don’t care to divulge)the gender of your baby.

$20.
It's a Girl XX Maternity Shirt
1+1=xx This is a maternity shirt which will keep reasonably intelligent people from asking, “Boy or girl?”

$20.
It's a Boy XY Maternity Shirt
1+1=xy This is a maternity shirt which will keep reasonably intelligent people from asking, “Boy or girl?”

$20.