For more than two millennia, mathematicians have produced a growing heap of pi equations in their ongoing search for methods to calculate pi faster and faster. The pile of equatio ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

MILWAUKEE — PepsiCo Inc. is facing criticism for an iPhone application that promises to help men “score” with two dozen stereotypes of women by giving users pickup lines and a scoreboard to keep track ...