Pi, Mathematics, Pi Day, March 14

Pi Day celebrates the mathematical constant Pi ( ), observed on March 14th. It combines math and dessert, first celebrated in 1988 at San Francisco's Exploratorium. The holiday highlights the history of Pi and its significance in mathematics and science, growing in popularity and recognized as a national holiday in the U.S. Businesses offer discounts on pies and treats, making it a day for math enthusiasts to celebrate and enjoy the fun and educational aspects of mathematics.