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http://www.mathsisfun.com/data/function … p;ymax=1.2
I've chosen r = 0.05 and you have to have x instead of n.
You can put y = FV/PV as the second graph and zoom in on the point where the line cuts the curve.
Sorry,but i couldn't find any formula for n there.There is the formula Fv=Pv(1+r/n)^(nt) but i don't know how to solve that expression for n.
In periodic interest if I know everything except number of compoundings per year,how do I find it?