Pie day is March 14 or 3/14, which are also the same three digits in the mathematical constant Pi or 3.14159265359, or the number you need to memorize to calculate the circumference of a circle.

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

Cicis Pizza BOGO $3.14 at two Ohio locations. On Friday, customers who order a medium or large pizza can get the second pizza for $3.14. The offer is valid for pickup only at part ...

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

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

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 ...

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

LOS ANGELES, CA — You don’t have to be a mathematical whiz to calculate the savings Angelenos can score on pizzas and pies on ...

To some people, Pi Day is about mathematics. To others, it’s an excuse to eat pizza. Either way, there will be celebrations ...

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 ...