Image description: Happy Pi Day!
President Obama shares a piece of his strawberry pie while on a lunch break in Oak Harbor, Ohio in July.
Image description: Happy Pi Day!
President Obama shares a piece of his strawberry pie while on a lunch break in Oak Harbor, Ohio in July.

Photo “Happy Pi Day (to the 36th digit)” taken by Mykl Roventine on Flickr
Celebrated on March 14, Pi Day’s purpose is to raise awareness about math education.
Pi, often shortened to 3.14, represents the relationship between the width of a circle and its circumference.