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 ...

The latest record-breaking calculation of pi did not come from a sprawling cloud cluster but from a single, meticulously tuned server that pushed the constant to 314 trillion digits. The feat ...