Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

As people celebrate Pi Day this March 14, the mathematical constant continues to be part of everyday life for scientists and ...

March 14 (UPI) -- Saturday's Google Doodle celebrates everyone's favorite math holiday, Pi Day. The Doodle features an ...

👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be ...

March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… ...

This day only comes 'round' once every year!

From schoolkids learning about constant numbers to pizza deals to school serious math equations, here’s a slice of Pi Day fun.

All over the country, people are pulling their financial information together, assembling receipts and taking everything to a ...

Google commemorates the invention of the mathematical constant 'π' with an innovative, interactive doodle on Pi Day 2026.

Ben Garland broke the almost decade long standing record of PI memorization and recitation at St. Philomena Catholic School's PI Day competition, reciting 2,077 digits in 17 minutes.

The Chowchilla Branch Library is hosting a Pi Day event with circular themed activities and refreshments for attendees.