Pi belongs to a huge mathematical group called irrational numbers, which go on forever and cannot be written as fractions.

Pi is a number used by school pupils, mathematicians, scientists and engineers across the world when discussing circles. There is a relationship between the circumference of a circle (the distance ...

The value of pi lies between those two lengths. By doubling the number of sides of the hexagon to a 12-sided polygon, then a 24-sided polygon, and finally 48- and 96-sided polygons, Archimedes was ...

Each year, on March 14, it's become traditional for numerophiles and mathematicians to pause and reflect on the most famous of irrational numbers, pi.

In August, 2010, [Alexander Yee] and [Shigeru Kondo] won a respectable amount of praise for calculating pi to more digits than anyone else. They’re back again, this time doubling the number of ...

Pi is an infinitely long, irrational number and its exact value cannot be known. Pi Day celebrates the mathematical constant Pi, and is significant for those who love mathematics and deal with ...