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 XL


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On and On Anon Infinity Math T-shirt
Medium, Large, Women's sizes XS, Small, Large, XL.

Front: "On & On Anon... The Infinite Step Program for the Compulsive Counter". Back:  Proud to Say "I Count" ... A Lot". .

Price: $20.
PEMDAS Women's Math T-Shirt
Women's Small, XL
PEMDAS: Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction

Pi-rate Math Geek T-shirt

Available in women's sizes Medium and XL.

Price: $20.

Quadratic Formula T-shirt 3

Available in men's XL, and women's XL and 2XL.

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

Pricing: $20.

Schrodinger's Cat Women's Math T-Shirt
Women's Large, XL
Does the uncertainty principle allow us to believe that the cat simultaneously is and isnít there?