On Thu, Mar 17, 2011 at 10:46 AM, kracekumar ramaraju <kracethekingmaker at gmail.com> wrote: > I tried the following >>>> 22/7.0 > 3.1428571428571428 >>>> import math >>>> math.pi > 3.1415926535897931 >>>> > > > Why is the difference is so much ?is pi =22/7 or something ? Pi is not 22/7. That is just a commonly-used approximation.