Sassamo16@aol.com wrote: > > i've got a question. if there is no formula for pi, then how is it calculated There is a formula for pi except that if you calculate itr it keeps going. I beleive it's pi=((circumference/(diameter)). An interesting website with as much about pi as you would want to know is: http://www.go2net.com/internet/useless/useless/pi.html Hope I could help, C2B3