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 Small

Products

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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.

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.

Math Advisory T-shirt (Small only)
Currently available only in Adult Small.

Mathematical Advisory: Graphic Content; Explicit Functions.
Graphs and explicit functions for straight line, parabola, sine, cosine, and semicircle.
Available in Ash Gray.

Price: $20 .

Derivers Wanted Calculus T-shirt (Small, 2XL, 4XL)

Available in Black or Indigo Blue. Available in 2XL and 4XL, and in Long Sleeve Black Small. Also, one Blemished Medium.

Price: $20.
Blemish Sale item: One Medium $12.

Einstein's Bicycle T-shirt (Small only)
Glows in the dark!

"The most beautiful thing we can experience is the mysterious. It is the source of all true art and science."
Picture of Albert Einstein riding a bicycle around the Milky Way, accompanied by the above quote, on a black shirt.

Price: $20.

Infinity T-shirt
Available in Men's and Women's sizes.

Front upper left chest: Infinity symbol surrounded by the words "Contemplate the infinite"
Back: "With Math, The Possibilites Are Infinite"

Available in Men's Small, Medium, and 2XL; in Women's Black Extra Small, Large, and XL.
Price: $20.

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

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.

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.
Carbon Based T-shirt

Carbon Based and Proud of It! Show your pride at being a carbon-based life form.
Black or Indigo Blue.

Price: : $20.