[b]Volume of a revolution solid[/b][br][br]In graphics view you have the generating curve, the graph of function f(x).[br]You can change:[br] * the base of the curve, the right end of integration interval [0, b] --> slider "b"[br] * the number of subdivisions --> slider "n"[br] * the function itself, in a set of 4 prearranged functions --> slider "function" :-)[br][br]Right click on 3D view to move the solid. Caution, values of n greater of 8 can slow down 3D view.