For math lovers around the world, March 14 is a holiday, "Pi Day." That's because the date — 3/14 — is also the beginning of the decimal expansion of the world's best-known irrational number: ...

Add Yahoo as a preferred source to see more of our stories on Google. Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many ...

Add Yahoo as a preferred source to see more of our stories on Google. Math students everywhere will be eating pies in class this week in celebration of what is known as Pi Day, the 14th day of the 3rd ...

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 ...

Many Americans write dates in numerical form, with the first digits for the month, the second for the day of the month, and the third for the year. The notation 3/14/15, for example, represents March ...

Did you know there are holidays for almost everything? While the U.S. may have 11 official federal holidays, there are actually thousands of quirky, themed days that make the calendar a whole lot more ...

JACKSONVILLE, Fla. – Tuesday is March 14, also known as National Pi Day. The celebration is based on the first three digits of pi, 3.14. So what exactly is pi, often symbolized as the Greek letter π?

Tomorrow, March 14, is World Pi Day. For those not in the know, pi (π) is the Greek letter that stands for the ratio of the circumference (distance around) of a circle to its diameter (width). Pi is ...