pi day

Get out your favorite circular objects, people, it’s Pi Day 2011!As the math and science enthusiasts among us already know, March 14 (i.e. 3/14) is official Pi Day — a day to celebrate the number Pi, identified by the Greek letter π, which is used to calculate the circumference of a circle.Pi is most often shortened to 3.14. But because the number is both irrational and transcendental, it “will