More than a hundred years ago, long before anyone imagined supercomputers or black hole ...

More than a century after Srinivasa Ramanujan scribbled his lightning-fast formulas for π in a notebook, physicists are ...

A new study reveals that Srinivasa Ramanujan’s century-old formulas for calculating pi unexpectedly emerge within modern theories of critical phenomena, turbulence, and black holes. In school, many of ...

Most of us first hear about the irrational number π (pi)—rounded off as 3.14, with an infinite number of decimal digits—in ...

On Pi Day (March 14), NASA reminded us why we need only a small slice of the irrational number's infinite decimal places to explain most of the known universe. When you purchase through links on our ...

A data storage company has decoded more than 100 trillion digits of pi — smashing the world record for calculating the never-ending number. Unraveling this hefty slice of pi required the equivalent ...

(NBC) - Happy Pi Day! The annual celebration, held every March 14, is your chance to pay tribute to the most famous constant in math and physics: the number you get when you divide the circumference ...

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 ...