March 14 is Pi Day, which gives you a hint to the start of the irrational number that is central to a lot of mathematics. In a video, Duke students competed to provide the longest string of Pi digits.

Monday is March 14 — in other words, it's Pi Day! The first six digits in pi are 3.14159, so math enthusiasts deemed March 14 as Pi Day, which later became a day to celebrate the sweet dessert ...

You can also order your 'za on 7-Eleven’s 7NOW app. And 7Rewards members who visit participating 7‑Eleven stores on National Pi Day can also purchase a pizza slice for just 50 cents by ...

Thursday, March 14 (3/14) is National Pi Day. It’s a time to celebrate the number that represents the ratio of a circle's circumference to its diameter, and is often written as 3.14. It’s also ...

The math problems will appear on the Hut Life blog at 8 a.m. ET on March 14, which is informally recognized as National Pi Day, celebrating the irrational number whose first three digits are 3, 1 and ...