The Pi-Lingual tote bag features geometric diagrams for area and circumference of a circle, and a wide variety of advanced formulae featuring Pi, printed on a black canvas tote bag. This design is also featured on our popular Pi-Lingual t-shirt. The tote bag is about 18" long by 14" high by 3" deep.
Price: $21.
Pi Baseball Cap with embroidered Pi logo. High quality adjustable cotton cap with nylon mesh lining. One size fits all.
Available in Black, Khaki, and Midnight Blue.
Price: $20.
We loved this comic book from the minute we found it. It's beautifully illustrated, well written, chock full of math puns we've never seen before, and the page numbers are in binary. Printed on sturdy paper to stand up to classroom use.
Price: $11.
Get Radical Baseball Cap embroidered with Get Radical stylized square root logo. High quality adjustable cotton cap with nylon mesh lining. One size fits all.
Available in Black, Maroon, Spruce Green.
Price: $20.
SALE! Black Get Radical baseball caps are on sale for $15.
Know Math Baseball Cap embroidered with Get Radical stylized square root logo. High quality adjustable cotton cap with nylon mesh lining. One size fits all.
Available in Black, Spruce Green. Maroon is currently out of stock.
Price: $20.
SALE! Black Know Math baseball caps are on sale for $15.
