Hey, it's Pi Day! That's right, March 14 every year is celebrated by folks everywhere because it's 3/14 or, like the first three digits of Pi, 3.14. So we all joke around with Pi pies and pizza pie ...

Add Yahoo as a preferred source to see more of our stories on Google. A planet surrounded by the number pi with the first 15 decimal places highlighted. Pi is an irrational number, meaning it has an ...

That became readily apparent on Saturday, when he recited 385 digits of pi from memory. It was part of a Pi Day celebration he organized in a Portland coffee shop, where all were encouraged to attempt ...

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 (UPI) --A 10-year-old British boy celebrated the run-up to the math-themed holiday Pi Day by breaking a world record for the most decimal places of pi recalled in one minute. Bristol student ...