Choose from delicious deals on pies, a nerdy comedy show, pie-inspired art classes and more to honor the mathematical constant and America's classic dessert on March 14.

News 9 celebrates Pi Day every March 14, a date that represents the first three digits of the number pi (3.14). Pi represents the ratio of a circle's circumference to its diameter in mathematics, and ...

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 ...

Learn these interesting facts about pi before Pi Day on March 14 Facts about pi you don’t want to miss How much do you really know about pi? Sure, you’ve heard about it in math class—potentially ...

PHOENIX — Saturday should be an infinitely enjoyable day. At 9:26:53, the calendar and clock will combine to make up the first 10 digits of pi, a mathematical number used to measure circles, making it ...

On March 14, the nerdier side of humanity celebrates Pi Day, a holiday that “commemorates the irrational, transcendent, and never-ending ratio that helps describe circles of all sizes.” Pi is the ...