Approximation af a solid of revolution by disks

Author:
Claudio
Topic:
Volume
Solids of revolution. Subdivisions of a solid of revolution in disks to approximate its volume. The solid is obtained rotating a plane curve y = f(x), assigned in the Graphics View, around the z axis in the 3D View.
1) Download the file and try changing function's f(x) expression. 2) Calculate the approximate volume of the solid.