National Pi Day: 3.14 things to know about pi this year
Friday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to celebrate the concept, which has fascinated humans for centuries, and local eateries offer pie-related deals.
While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the ...
Pi, defined as the ratio between the circumference of a circle and its diameter, is what's known as an irrational number.
This year, though, it comes with some twists that won’t be seen again for a century. Pi Day, celebrated on March 14 (3/14), ...
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