Definitions by aoiasimsd

pi day 

March 14th. A "holiday" celebrated by math geeks everywhere. Pi is approximately 3.14, and March the 14th is 3/14.

omg t3h pi day d00d, we are so 1337, pi roxxors t3h boxxors!

pi day by aoiasimsd May 13, 2005

pi

In a circle, the ratio of the circumference to the diameter.

C = pi * d
Circumference = pi times diameter

pi by aoiasimsd March 21, 2005