The March 14 celebration drew toddlers through older children for a full day of circle-themed math activities and edible rewards.

Math lovers in Eugene recently celebrated Pi Day with fun and engaging activities at Mathnasium's tutoring service center.

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. It's Pi Day ...

Saturday's Google Doodle celebrates everyone's favorite math holiday, Pi Day. The Doodle features an animated illustration of ...

Student mathematicians spent Saturday crunching numbers and solving equations at Maria Carrillo High School’s library as part of an academic tournament celebrating Pi Day, March 14.

I mean I don’t think there’s anybody who doesn’t use Pi somewhere, if you’re a mathematician or an engineer or a physicist," ...

Which brings us to a titillating quote by American engineer and author Paul J. Nahin: “If π weren’t around, there would be no round pies.” ...

Learn these interesting facts about pi before Pi Day on March 14 Facts about pi you don’t want to miss How much do you really know about pi? Sure, you’ve heard about it in math class, but this famous ...

Numbers rarely make headlines, but pi has a habit of doing exactly that. The ...