Add Yahoo as a preferred source to see more of our stories on Google. An illustration of the mathematical symbol pi etched into a piece of pi on a green background. Math nerds everywhere are digging ...

Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to ...

As an irrational number, pi has no end — but that has not stopped computer engineers from chasing its eternal string of decimal places deeper into the unknown. Recently, technology media company ...

BURNSVILLE, Minn. — Whether you celebrate March 14 for the pi, or the pie, the celebration at Chuck Croatt's Burnsville math classroom had you covered on Friday. "Go ahead and grab a piece of pie," ...

Numbers rarely make headlines, but pi has a habit of doing exactly that. The ...