## Pi Day of the Century

The New York Times ponders last century’s epic Pi Day in 1915. Read about this century’s festivities.

The New York Times ponders last century’s epic Pi Day in 1915. Read about this century’s festivities.

NPR discusses Pi Day and a tasty Mango Key Lime Pie, since we have an “equation for a party: March 14 = 3/14 = 3.14 = Pi Day”. Photo credit: Benny Mazur

“So it’s fair to ask: Why do mathematicians care so much about pi?” Read the excellent article by Steven Strogatz about infinity and more. Also in The New Yorker: Pi memorization and Pi in Cryptography.

The New York Times is featuring a pi puzzle this week in the blog Numberplay.

The web site “MathMovesU” has a Pi Day toolkit for parents, students and teachers.

The law sometimes doesn’t get its math right.

Princeton has an annual party celebrating Pi Day and Einstein’s birthday (also March 14).

The text of the U.S. House Resolution 224 declaring March 14, 2009 ‘National Pi Day’.