the graph F(x)=1/(x^2) simple enough graphing no problem calculator does that just fine Please Register or Log in to view the hidden image! rotate it about the x axis you get gabriels horn. http://mathworld.wolfram.com/GabrielsHorn.html infinite surface area yet finite volume. You can fill it up with paint but you cant paint it. But when this object is full of paint is there not paint touching every place on the inside wall there by the inside is painted?