Pi Day, celebrated annually on March 14, honours the mathematical constant Pi, which is approximately 3.14. The date, when written as 3/14, mirrors the first three digits of Pi, making it a fitting ...

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, ...

Not just mathematicians and rocket scientists, National Pi Day is celebrated across the U.S. by students, teachers and science enthusiasts. The day is observed on March 14 (3/14 in the month/date ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational ...