Pi gets all the fanfare, but other numbers also deserve their own math holidays
March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… of the most famous mathematical constant. The true reason to celebrate Pi Day, Manil Suri writes, is that mathematics, which is a purely abstract subject, turns out to describe our universe so well. Continue Reading Pi gets all the fanfare, but other numbers also deserve their own math holidays