Whether you're a math wiz, a foodie, or just a general national holiday buff, you know that March 14 is a very special day because it's Pi Day. To celebrate, you'll want to cut yourself a slice of ...

Each year, mathematicians everywhere recognize March 14th as a sacred holiday — Pi Day. On March 14th (3.14), those who know and love Pi (?), the ratio of a circle’s circumference to its diameter ...

Pi Approximation Day 2025: Pi is a special number in mathematics. It shows the relationship between a circle’s circumference (the distance around the circle) and its diameter (the distance across the ...