SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

WEST PALM BEACH, Fla. (AP) — Math enthusiasts around the world, from college students to rocket scientists, celebrate Pi Day, which is March 14 or 3/14 — the first three digits of an infinite number ...

Happy Pi Day, the annual celebration of this incredible, mysterious, and irrational mathematical constant. Okay, so Pi — most commonly written as the Greek symbol π — is an essential mathematical ...

What if Pi Day, perhaps the best known mathematical holiday, was actually better celebrated in the summer? Currently falling on March 14 — 3/14, in honor of the first three digits of the infamous ...