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 ...

Math is all around us: the music you listen to, the vehicles you drive and even the food you bake can all be represented mathematically. But for most kids - and many adults - the word math evokes ...

CHELMSFORD (CBS) - It's Pi Day, March 14, or 3/14. It was started back in 1988, by physicist Larry Shaw in San Francisco to celebrate the famous number and math in general. Dr. Matthew Beyranevand, a ...

It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day," it’s a time to celebrate one of mathematics' most famous constants: Pi, the ...