Ron Callaway portrays Albert Einstein's ghost in a comedy skit during a Pi day celebration hosted by The Alferd Packer Memorial Band Wednesday, March 14, 2012 at the Lawrence Community Theater. The ...

Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — appears throughout mathematics, including in areas that are completely ...

Math lovers celebrate today (3/14) as Pi Day, in honor of the irrational number pi. Pi, or π, is defined as the ratio of the circumference of a circle to its diameter. Pi is an irrational number, ...

KUSA – If you're a math nerd, March 14 is a pretty magical day. And this year, 03/14/15 is especially awesome. And while some use Pi Day as an excuse to eat pie (the food)/make puns, others use Pi Day ...

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...

Math enthusiasts know all about it, and the rest of the population is probably hoping for cherry pie. But March 14 is Pi Day. While last year stretched the symbolic celebration out a little longer -- ...

Pi Day is a favorite holiday for both food lovers and mathematicians. For the foodies, the reasoning is simple. Pi Day brings discounts and deals for people looking to grab a pizza to celebrate the ...