This day only comes 'round' once every year!

Saturday's Google Doodle celebrates everyone's favorite math holiday, Pi Day. The Doodle features an animated illustration of how the mathematical constant is us ...

Each March 14 (3/14) mathematicians and science enthusiasts celebrate Pi Day, honoring the mathematical constant π (pi).

Google's 2026 Doodle celebrates Pi Day by highlighting Archimedes' polygon method to approximate pi, marking the significance ...

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

Every March 14, Pi Day brings the mathematical constant pi (π) to center stage, uniting learners, professionals, and ...

Google is marking Pi Day 2026 with a unique doodle, paying tribute to ancient Greek mathematician Archimedes and his pioneering work in calculating pi (π).

Google celebrates Pi Day 2026 with a doodle honoring Archimedes' method for estimating pi, highlighting the significance of ...

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

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = C/d. The circumference of a circle is, in turn, equal to 2πr, where r is ...

Pi Day Today: At the Exploratorium, Pi Day celebrations traditionally include a pie feast, featuring fruit pies and tea. A ...

Pi Day 2026 is Saturday, March 14. Here's what Pi Day is, why it's always on March 14 and where to get deals in Florida on pizza and pies this year.