Pi Day is celebrated every year on March 14, honouring the significance of the mathematical constant π and its applications in mathematics.

Discover the history and significance of Pi Day 2026. Learn about the 3.14 origin, the 'Mathematics and Hope' theme, and fun ...

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 ...

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its ...

Every year, math nerds and dessert enthusiasts unite to celebrate Pi Day on March 14, a date whose digits represent the first ...

When most of us think of Pi Day, we recall just the first few digits—3.14. “I really only told myself I was going to get to ...