National Pi Day is held each year on March 14. It honors 3.14 the ratio of the circumference of a circle. You can also get deals on food too.

We usually think of pi as about 3.14 – but there’s more to it than that. “Pi is a fabulous ratio that’s constant across every single circle,” Lesseig said.

Pi Day is beloved by the scientific community worldwide as a way to celebrate the mathematical constant and engage in fun pie-related activities. Here's what to know about March 14.

Mar. 10—MIDLAND — It is that time of year when Americans' love of circles comes to life in the form of Pi Day. Buttermilk Sky Pie Shop, a brand of pie shops offering the taste of Southern ...

By Ashley Luthans Whether it was with math or dessert, residents across the area enjoyed Pi Day on Thursday. In the St. Joseph area, community members can find homemade pies at multiple ...

Steve Cukrov // Shutterstock Slicing into Pi Day: These are America’s favorite pies In celebration of Pi Day on March 14 (3/14)—a food holiday savored for making math just a little sweeter ...

Pi Day is an annual celebration of the mathematical constant π (pi), observed on March 14 (3/14). According to NASA, the first official Pi Day celebration was in 1988. It was organized by physicist ...