The famous mathematical ratio, estimated to more than 22 trillion digits (and counting), is the perfect symbol for our species’ long effort to tame infinity. By Steven Strogatz This article, ...

Pi Day is an annual event in March (3/14) that celebrates pi, the mathematical symbol for the ratio of the circumference of a circle to its diameter. Physicists in San Francisco first celebrated Pi ...

LOS ANGELES - March 14th is known as Pi Day and that’s because it falls on 3/14, which makes up the first three digits of the mathematical constant pi. If you don’t remember your geometry, pi is the ...

In geometry, pi is the ratio of a circle’s circumference to its diameter. It’s the number 3.14, approximately, and it’s a fascinating mathematical concept. On Pi Day last Thursday — March 14, or 3-14 ...

Celebrate the constant or crusted baked goods It%27s also Albert Einstein%27s birthday Save money on Pi Day deals Today is Pi Day, a day to celebrate the joys of the mathematical constant of 3.14159 ...

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 ...