On Saturday, March 14, 2026, the Exploratorium invites the public to join an all-day celebration of Pi (π) Day, with special ...

Pi (π) was known and used ancient times approximated for almost 4000 years. The ancient Babylonians also calculated the area of the circle by taking three times the square of its radius which gave the ...

Did you know there are holidays for almost everything? While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the calendar a whole lot more ...

March 14, National Pi Day, honors 3.14 (π) the ratio of the circumference of a circle. Whether you're challenging yourself to find how many decimal placements are actually in Pi (π) or you're eating ...

NEW YORK (THE CONVERSATION) Math students everywhere will be eating pies in class this week in celebration of what is known as Pi Day, the 14th day of the 3rd month. The symbol π (pronounced paɪ in ...

It might be the most exciting reason to celebrate and dig into any festive sweet or savory dessert that has a pie-shape look, as today is Pi Day, March 14. According to NationalCalendarDay.com, the ...

March 14 marks Pi Day, an annual celebration of the mathematical constant pi (π). Whether you can recite the first 100 digits of the sign or simply love eating pie, here's how to celebrate Pi Day in ...

You might be familiar with the never-ending number π (pi), which is most relevant for studying circles. But you might not know much about the genius guy who first calculated pi: Archimedes of Syracuse ...

Pi is a very long and a very important number, but how many decimal places of it do we really need to know? Dr Karl investigates. In the land of food, a pie is something from an oven that is usually ...

Editor’s note: The following is a roundup of archival stories. On March 14, or 3/14, mathematicians and other obscure-holiday aficionados celebrate Pi Day, honoring π, the Greek symbol representing an ...