Pi Day (March 14) is a day of global mathematical celebration, but it’s not the only numerically significant calendar date.

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 ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

New quantum mechanics research is introducing an advanced Pi formula, optimizing complex computations and reshaping ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

A freshly decorated Key Lime pie rests on a counter in a busy bakery kitchen at Michele's Pies, Wednesday in Norwalk, Conn. Math enthusiasts and bakers celebrate Pi Day on March 14 or 3/14, the first ...