Saturday's Google Doodle celebrates everyone's favorite math holiday, Pi Day.

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its ...

22.4 trillion – the number of digits calculated by Swiss scientist Peter Trueb, using a computer. 24 – the number of hard ...

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 ...

What is Pi Day? Whether you love math or you're just into some good dessert, this Saturday should be a sweet treat for you.

This day only comes 'round' once every year!

Yesterday marked the confluence of round baked goods (sweet and savory), iconic slapstick, the Greek alphabet and the best known and most widely mystifying mathematical constant: “Pi Day.” ...

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 ...

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.

The Franklin Institute will host themed educational events and Night Kitchen Bakery will have sales on pie slices.