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

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

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 ...

March 13 is “Pi Day,” a celebration of the irrational number Pi. Six-time USA Memory champion Nelson Dellis has memorized hundreds of Pi digits. He talks about how, and other techniques to improve ...