25% 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 25% off, while it lasts!

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.

Adult Large

Products

Sort by: Product Price Default
May the F=ma Be With You T-shirt (4XL, 5XL)
BEST SELLER! Glows in the dark!

May the F=ma Be With You Physics T-shirt features vector diagram with acceleration pattern at the bottom.

Price: $20.

Pi Symbol Glow T-shirt
Glows in the dark!
Comes in Men's, Women's, and Youth sizes, and in Men's Long Sleeve.

Price: $20.

Properties of Math Dept. T-shirt
Printed on Front and Back.

Front: "Properties of Math Dept."
Back: "Properties of Math Department", followed by various additive and muliplicative properties.
Available in a variety of colors.

Price: $20.

GeNIUS Chemistry T-shirt (Large, 2XL, 3XL, 4XL only)
Sizes 2XL, 3XL, 4XL only, and a slightly blemished Large.

What do Germanium, Nitrogen, Iodine, Uranium, Sulfur spell to a chemistry geek?
GeNIUS.

Price: $20.
Blemish Sale item: One Large for $18.

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.

PIRaTe Periodic Table T-shirt (Small, Large, XL)
Sizes Adult Small, Adult Large, Adult XL.

Price: $20. .

Get Radical T-shirt
Available in Men's, Women's, and Youth sizes.

Upper left chest: "Get Radical" with stylized square root sign.
Back: "It's OK to like Math"

Price: T-shirts $20.

Knowledge Equals Power T-shirt
Front upper left chest: "Know Math"

Back: "Knowledge: The means by which one gains the ability to control one's own destiny. Knowledge Equals Power."

Available in Adult Small, Adult Large, and Youth Small only. $20.
On and On Anon Infinity Math T-shirt
Available in Men's and Women's t-shirts.

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


Price: $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.