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

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the mathematical symbol pi etched into a piece of pi on a green background. Math nerds everywhere are digging ...

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 ...

Pi Day is celebrated March 14 in schools because the date, 3-14, represents the numerical value of pi, the ratio of a circle’s circumference to its diameter – an infinite number that in decimal form ...

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

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

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.