> I'm confused. I've been trying to figure out a quick and easy way > to exponetiate to a fraction (ie. x^(4.25)) and also be able to > figure out the power when given the base and the result. a^b is exp(b*ln(a)). So, if x = a^b and you know a and x, exp(b*ln(a)) = x b * ln(a) = ln(x) b = ln(x) / ln(a)