A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  

 Pi

more ...

Pi
The ratio of a circle's circumference to its diameter

Equal to 3.14159265358979323846... (the digits go on forever without repeating)

A rough approximation is 22/7 (=3.1428571...), but that is not very accurate

Search :: Index :: About :: Contact :: Contribute :: Cite This Page :: Privacy

Copyright © 2011 MathsIsFun.com