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 ...

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Calling all mathematicians, a day where math and food meet is finally here! March 14, National Pi Day, honors 3.14 (π) the ratio ...

Add Yahoo as a preferred source to see more of our stories on Google. If those questions are running through your head, keep on reading! Ahead, you'll find everything you need to know about Pi Day.

Not every mathematical constant gets its own day. But then again, not every constant is pi, the incredible and infinite number represented by this symbol: π. Pi Day was introduced in 1988 in San ...

Saturday, 3/14/15, marks a once-in-a-century Pi Day, corresponding to the first four digits of 3.1415. If you really want to celebrate in mathematical style, take it out a few more places and clink ...

Pi Day Today: At the Exploratorium, Pi Day celebrations traditionally include a pie feast, featuring fruit pies and tea. A ...

For certain people, March 14th each year marks Pi Day, the date 3.14 is the first three digits in the infinitely continuing number. It’s also Albert Einstein’s birthday. “Pi Day is an annual ...

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = C/d. The circumference of a circle is, in turn, equal to 2πr, where r is ...

March 14, National Pi Day, honors 3.14 (π) the ratio of the circumference of a circle. Whether you're challenging yourself to find how many decimal placements are actually in Pi (π) or you're eating ...

Calling all mathematicians, a day where math and food meet is finally here! March 14, National Pi Day, honors 3.14 (π) the ratio of the circumference of a circle. Whether you're challenging yourself ...