This design is the same as our Pi Digits t-shirt, but with no digits.
T-shirt is black. Size Small only. $17
Key Lime Pi T-shirt features a key, a chemical formula for lime, and the Pi symbol.
Limited stock; mostly Small or 2XL and larger.
Pricing: $20 ($23 for 2XL and larger).
Our Pumpkin Pi T-shirt features digits of Pi carved into a pumpkin.
Pricing: $19 ($22 for 2XL and larger).
Available in regular unisex, women's Hanes classic fit, and Youth sizes.
What do you get when you divide the circumference of an apple by twice its radius?
Apple Pi.
Available in Black or Ash Gray.
Available in regular unisex and women's Hanes classic fit.
Pricing: $20 and up.
T-shirt is Black. 100% preshrunk cotton. Very limited stock.
Pi al a Mean, Pi a la Median, Pi a la Mode, with mathematical examples.
T-shirt is Black. 100% preshrunk cotton.
Pricing: $20 ($23 for 2XL and larger).
Math is as Easy as Pi Lapel Pin.
1" (25 cm) diameter.
Price: $5.
Royal Blue. 100% pre-shrunk cotton.
Price: $21 ($24 for 2XL).
Actual height 1/2 inch (13 mm).
Tie pin has chain and bar for attaching tie to front of shirt.
Handcast in USA from lead-free pewter using renewable energy. Posts, chains, and bars of stainless steel.
Pricing: Lapel Pin $6. Tie Pin $8.00.
