TGIF! Partake in Friday's best "Pi Day" deals. March 14, 2014 — -- intro: Fans of math and pie are celebrating "Pi Day" or March 14, representing the ratio of a circle's circumference to its ...

This Pi Day, Blaze Pizza is offering customers a special deal for a 12th straight year. Patrons who buy an 11-inch pizza can get a second 11-inch pizza of equal or lesser value for $3.14. Guests ...

It's Pi Day! The ratio of a circle's circumference to its diameter is rounded to 3.14, making March 14 the day to celebrate.

Whole Foods: Get $3.14 off any large bakery pie Non-Food Pi Day Deals Children's Museum: A massive party will be held in order to honor the Mathematical equation and Albert Einstein's birthday ...

LOS FELIZ (KABC) -- It's National Pi Day, a day to celebrate the never-ending number with a slice of pie. And John Marshall High School students did just that.

Pi Day at the Exploratorium celebrates the history of 3.14 and involves a full range of activities, ending with a Pi Procession and piece of pie!

SAN FRANCISCO (KGO) -- March 14th is known as Pi Day. It celebrates the mathematical constant 3.14. Pi Day may not have existed if it weren't for a physicist at The Exploratorium.