note that by limit I mean the calculus operation, as in limf(x) as x->a. I was playing around with numbers earlier today and came up with a limit that gives an exact value for pi. I want to know if others have devised limits that equal to pi, because I am not sure if I am the first because my formula wasn't particularly complicated. If so, please post the formula. I apologize for not posting my limit here, but I hope you will understand why.