March 14 is Pi Day in the US, as the date matches the first three digits of the famous number. On Pi Day 2015, Google announced that a researcher had uncovered the first 31 trillion digits of pi, ...

Archimedes determined the upper and lower range of pi by finding the perimeters of inscribed and circumscribed polygons. By doubling the number of sides of the hexagon to a 12-sided polygon, then a 24 ...

Forbes contributors publish independent expert analyses and insights. Luis E. Romero is an entrepreneur, author and speaker. The natural universe expresses itself mostly in curved shapes and motions, ...

It’s the most wonderful time of the year—for mathematicians, anyway. Pi Day is Saturday, March 14. The relatively new holiday is a celebration of the mathematical calculation pi, or the infinite ...

An algorithm to calculate Pi on IBM’s quantum computers honors Pi Day—and helps us understand how a quantum computer works. Ever since Archimedes hit upon a value for Pi in the third century B.C., ...

Everybody knows the value of pi is 3.14…er, something, but how many people know where the ratio came from? Actually, the ratio came from nature—it’s the ratio between the circumference of a circle and ...