Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its symbol π. Pi is an irrational number, which means it goes on ...

A single server smashed the pi world record, churning out 314 trillion digits in 110 days.

Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Every year on March 14, people around the world celebrate Pi Day, a day dedicated to the mathematical constant π (pi) ...

Google is marking Pi Day 2026 with a unique doodle, paying tribute to ancient Greek mathematician Archimedes and his ...

, or 3/14, is celebrated worldwide as Pi Day, honoring the mathematical constant π (pi), which represents the ratio of a ...

Celebrate Pi Day (3.14) this March 14 with some extra laughs.