Adult 4XL

Products

Just du It Calculus T-shirt (Sm, Med, 4XL)
Adult Small, Medium, 4XL.

Just Integral du It -- for those who make integral calculus too complicated. T-shirt is Black. Pricing: $20.

Apple Pi T-shirt (2XL, 4XL)

What do you get when you divide the circumference of an apple by twice its radius?
Apple Pi.

Price: $20.

Key Lime Pi T-shirt (4XL only)

Key Lime Pi T-shirt features a key, a chemical formula for lime, and the Pi symbol.
Black 4XL only.

Price: $20.