The invention includes a sighting system for use with a firearm that has a telescopic sight, a laser rangefinder for providing the distance to the target, device(s) for receiving various inputs, a computing system that calculates the point of aim of the firearm's projectile based upon the input(s) and the calculated distance to the target, and a display means that provides an image of the computed point of aim within the telescopic sight's field of view. A method and weapon that employs the sighting system is disclosed.