March 14 is celebrated as both Pi Day and Pie Day. Pi Day honors the mathematical constant π (pi), a symbol of the relationship between a circle's circumference and diameter, while Pie Day is a ...

WASHINGTON — Pi Day is coming up on Friday, March 14, and several national retailers are getting in the spirit by offering math enthusiasts Pi-themed deals and freebies. Pi Day is celebrated ...

Here are some of the deals you can take advantage of this Pi Day: All Milk Bar locations will offer a “Pi à la Mode” deal: a slice of Milk Bar’s famed Milk Bar Pie alongside a cup of ...

AKRON, Ohio (WJW) — One of Northeast Ohio’s favorite pie places is ready for “Pi Day!” We aren’t talking about “Pie Day” ...

ST. LOUIS — Tuesday, March 14 is National Pi Day, the annual celebration of the mathematical sign pi. Many restaurants use it for deals on round foods like pizza pie or dessert pies. Pi Day is ...