(THE CONVERSATION) – 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, ...

Friday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

Happy Pi Day! We celebrate pi on March 14 because 3-14 gives the first three digits of this famous number. But what’s the big deal about pi anyway? Why does it get a day? Well, for starters, it ...

We celebrate March 14. But what about Golden Ration Day in early January, or Euler’s number e Day on Feb. 7? A UMBC prof imagines the nerdy possibilities. One mathematical constant describes the ...