Price: $19.
"I'm a math teacher. Of course I have problems."
Price: $19 ($22 for 2XL and larger).
Price: $16.
Pricing:
Adult Short Sleeve Small, Medium, Large, XL: $19; 2XL, 3XL, 4XL: $22.
Price: $25 ($28 for 2XL and larger).
Added by popular demand. (Don't get it? Read the shirt aloud.) 100% pre-shrunk cotton. Available on Black or lavender Violet. Black shirts are printed on relaxed women's fit shirt; Violet shirts are printed on standard unisex screen print shirts.
Pricing:
Adult Short Sleeve Extra Small, Small, Medium, Large, XL, 2XL, 3XL: $19 .
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.
Pricing: $20 to $23.
Comes in Adult and Youth Short Sleeve, and in Adult Long Sleeve.
Celebrate Pi Day or just show your irrational side to 3045 digits.
Available in Black, White, Ash Gray, Pink, Stone Blue, Violet.
Long sleeves are Black. Youth shirts are black.
Pricing: $19 to $22.
Sidney Harris Cartoon with caption:
"I think you should be more explicit here in step 2."
T-shirt is Ash Gray.
Pricing: $20 to $26.
"Reality is for people who can't handle the square root of -1."
Available in Black and Indigo Blue.
Pricing: $17 ($20 for 2XL and larger).
