That's Pi as in ratio-of-a-circle's-circumference-to-diameter, better known as the mathematical constant beginning with 3.14159.
The U.S. House of Representatives on Wednesday approved a resolution introduced two days earlier that designates March 14, 2009 (3/14, get it?) as National Pi Day. It urges schools to take the opportunity to teach their students about Pi and "engage them about the study of mathematics."
Backing the measure is a collection … Read more