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 ...

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 ...

Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... March 14 is also reportedly the birthday of ...

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, ...

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 ...

Whether you prefer your pie sweet or savory, or just in decimal form, Pi Day 2026 features a lineup of deals from national chains offering free or discounted slices of the pie all day. Pi Day falls on ...