A Better Approximation for PI
Larry Stroud | July 16, 2010
Many students know that 22/7 is a common fraction that is approximately equal to PI and is accurate to 2 decimal places. However, a better common fraction approximation to PI is 355/113 which is accurate to 6 decimal places. This fraction also easy to remember by writing the digits 113355 and dividing the last 3 [...]
