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. By itself, pi is simply a number, ...

Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its symbol π. Pi is an irrational number, which means it goes on ...

For many students, math carries a reputation that makes palms sweat before a single number appears on the board. Pi Day flips that script on March 14, inviting learners to grab rulers, measure real ...

Numbers rarely make headlines, but pi has a habit of doing exactly that. The ...

Student mathematicians spent Saturday crunching numbers and solving equations at Maria Carrillo High School’s library as part ...