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 ...

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 ...

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi. Pronounced pie, written as π, and summed up by ...

The countdown to Pi Day is on! March 14, or 3/14, is the date math enthusiasts look forward to every year because it matches the first three digits of pi, the ratio of a circle’s circumference to its ...