While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...

When is National Pi Day 2025? What to know about Pi Day activities for kids, songs, movies, jokes, deals, snack ideas and more.

Pi Day, celebrated on March 14, honours mathematical constant Pi, recognising its significance in mathematics, particularly in circle calculations, and promoting interest in learning and practising ...

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, ...

Pi Day is celebrated annually and is based on a symbol used in mathematics to represent a constant, Pi Day.org explains. It ...

Celebrate Pi Day on March 14 with math enthusiasts worldwide, honoring the infinite and practical uses of the mathematical ...

Happy Pi Day! The special day is celebrated around the world on March 14 in honor of the Greek letter Pi, which is also the ...

After a foray into the art of pie-making, Abbey enjoys the opportunity to share lessons with others on Pi Day.

Mathematician Dr. Steven Strogatz breaks down the history of the math concept and brings it full circle to recent science.

Pi Day itself dates to 1988 ... when Welsh mathematician William Jones began using the Greek symbol for the number. Why that letter? It’s the first Greek letter in the words “periphery ...