I'm working on simple game and am working on a leveling system, using a function to get experience needed. I am using area under a function above y=0. The first problem, I can't figure out a simple number. f(x) = x2/5 dx Then, looking for area, I'm unsure about a really simple thing. Getting to x3/(3/5) The last fraction I cannot figure out. Does the 5 move to the top and the 3 bottom? I know how to calculate the area under the graph (for the leveling system,) but can I reverse engineer to be able to get the x-value on the graph from a given area. Thanks.