What’s Pi Day All About? Math, Science, Pies and More

Pi

A freshly decorated Key Lime pie rests on a counter in a busy bakery kitchen at Michele’s Pies, Wednesday, March 13, 2024, in Norwalk, Conn. Math enthusiasts and bakers celebrate Pi Day on March 14 or 3/14, the first three digits of a mathematical constant with many practical uses. Around the world many people will mark the day with a slice of sweet or savory pie. (AP Photo/John Minchillo)