Add Yahoo as a preferred source to see more of our stories on Google. This number-themed day dates back to 1988, when physicist Larry Shaw decided to host a circle walk to honor the mathematical π ...

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 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 ...

Every year on March 14, the scientific community and the world at large celebrate Pi Day in recognition of the mathematical constant with their favorite slice of pie and other quirky Pi-related ...

One of the most prolific numbers in mathematical history will once again be celebrated on its special day. This year, though, it comes with some twists that won’t be seen again for a century. Pi Day, ...

March 14 — a day you’re more likely than most others to eat — or throw — a pie and get a reduced price on your pizza. It’s all in celebration of pi (Greek letter π), the mathematical constant and ...

March 14 is International Pie Day. Why? Pi is the ratio of the circumference of a circle to its diameter: 3.14159 – 3.14 is 3/14 is March 14. It’s a math joke, with delicious implications. On Pi Day, ...

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 ...

Math lovers and pizza enthusiasts can unite today. It's Pi Day! Get ready to drool! Pi Day pies are taking over social media, and the world can't get enough. From Oprah to The Big Bang Theory, this ...

March 14—aka Pi Day—isn’t just for math nerds. It’s the one day a year where we celebrate the magic of the number π (pi), which starts at 3.14 and goes on forever. But Pi Day isn’t just about ...

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 ...