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 ...

Math lovers celebrate today (3/14) as Pi Day, in honor of the irrational number pi. Pi, or π, is defined as the ratio of the circumference of a circle to its diameter. Pi is an irrational number, ...

KUSA – If you're a math nerd, March 14 is a pretty magical day. And this year, 03/14/15 is especially awesome. And while some use Pi Day as an excuse to eat pie (the food)/make puns, others use Pi Day ...

WEST LAFAYETTE, Ind. – If you wanted a random number, historically you could do worse than to pick a sequence from the string of digits in pi. But Purdue University scientists now say other sources ...

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 -- ...

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 ...

On Pi Day (March 14) we celebrate perhaps the most iconic irrational number on Earth. From its ancient origins to the unanswered questions, here are some of the most surprising facts about pi. When ...

Math enthusiasts know all about it, and the rest of the population is probably hoping for cherry pie. But March 14 is Pi Day. And each year presents ample opportunity for learning. To 31 decimal ...

Physicists have completed a study comparing the "randomness" in pi to that produced by random number generators. They have found that while sequences of digits from pi are indeed an acceptable ...