SAN FRANCISCO (February 28, 2025) – Get ready for a stellar celebration as the Exploratorium marks its 38th annual Pi Day on ...

Several national retailers are offering Pi Day discounts and special deals on March 14 to celebrate the mathematical holiday.

But Garrett didn’t make any mathematical connections to her birthday back then. “Pi Day wasn’t a thing,” she says. It is now. The annual celebration is observed March 14. If you’re late ...