Adult Crew neck tshirt for Math Geeks - PI, In Black, Style D3065

Whether you are practicing how many digits of "Pi" you can remember, or you just a math buff, this t-shirt will definitely start a conversation... For those who simply do not recognize the significance of this shirt:

The number π is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes spelled out as "pi"  

** This  shirt can also be special ordered in a black sweatshirt ($26.95). Email us for details

These are standard US Men sizes but the table below provides accurate measurements

Size	Chest	Length	Sleeve Length
S	36	28	7.5
M	40	29	8.75
L	44	30	8.5
XL	48	31	8.5
2XL	52	31.5	8.5

Printed in Greece (actual tshirt origin may vary).
100% Cotton, Unisex, US standard men's sizing.