, or 3/14, is celebrated worldwide as Pi Day, honoring the mathematical constant π (pi), which represents the ratio of a circle’s circumference to its diameter. Pi, an irrational number with endless ...

Celebrate the mathematical constant with free food. You know it makes sense.

Celebrated every year on March 14, Pi Day honors the mathematical constant pi, which begins with the digits 3.14. Over the years, the date has become a lighthearted reason for people to enjoy all ...

Friday, March 14 marks Pi Day, a celebration of the mathematical constant that (roughly) equals 3.14. And in a shining testament to the United States' willingness to use anything as an excuse to eat ...

Happy National Pi Day to all who celebrate!