Burger King is giving away a free Hershey’s chocolate pie with the purchase of $3.14 or more. The deal lasts all day Friday ...

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

What makes it so unique is that no matter the size of the circle, the ratio doesn’t change. It will always equal pi — or pie ...

Pi is an irrational number, and like some irrational people it just goes on and on. What is it with this crazy, crucial ...

7-Eleven: Get a whole pizza for $3.14 at participating 7-Eleven, Speedway and Stripes locations. If you’d prefer delivery, ...

First Slice Pie Café in Chicago is offering a Pi Day deal at their Montrose, Manor and Andersonville locations. They’re ...

Mathematician Dr. Steven Strogatz breaks down the history of the math concept and brings it full circle to recent science.

Pi Day is Friday, March 14 and Blaze Pizza, Marco's Pizza and others are celebrating with deals and discounts on pie and ...

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), ...

If you ever bought a fitted hat, you have had Pi on your head! You may have seen the number on the inside of the hat showing ...

From March 13 to March 15 Thistle's Summit, a Des Moines-based vegan and gluten-free bakery, is selling full pies for $13.14 ...

Simply put, pi is a mathematical constant that expresses the ratio of a circle's circumference to its diameter. It figures ...