Happy Pi Day! It's March 14, or 3/14, matching the first three digits of π. π is one of the fundamental constants of mathematics: the ratio of a circle's circumference to its diameter. π is an ...

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 ...

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, ...

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

The Mathematics Teacher (MT), an official journal of the National Council of Teachers of Mathematics, is devoted to improving mathematics instruction from grade 8-14 and supporting teacher education ...