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 ...

Math enthusiasts know all about it, and the rest of the population is probably hoping for cherry pie. But March 14 is Pi Day. While last year stretched the symbolic celebration out a little longer -- ...

Pi Day is celebrated every year on March 14—when the date can be written as 3.14 in U.S. date format notation. While some official events and celebrations will be curtailed by the novel coronavirus ...

Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — appears throughout mathematics, including in areas that are completely ...

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 ...