Computer hardware and software-based teaching apparatus, namely, simulation projectors and visual display systems, software, hardware and peripheral equipment for flight simulators, software, hardware and peripheral equipment for training simulators, jet aircraft flight simulators, rotary-wing/helicopter flight simulators, transport aircraft flight simulators, passenger aircraft flight simulators, business jets flight simulators, UAV simulators, other flight simulators, aerospace simulators, combat simulators, shooting simulators, security training simulators, naval or maritime simulators, ship bridge simulators, cargo handling simulators, engine operation simulators, vehicle simulators, train simulators, convoy trainer simulators, air traffic control simulators, medical procedure simulators, command simulators, maintenance simulators, crane simulators, and mining equipment simulators; planetarium projectors and software for operating projectors, for control and alignment of multiple projectors and projection systems and for simulation design and optimization; simulation systems comprised of flat, cylindrical, faceted, spherical or a-spherical visual displays that can be direct view displays or front or rear; single or multiple projector display systems for 2D or 3D images; simulation system comprised of an immersive dome with rear projection for flight training; simulation system comprised of a cross- cockpit collimated display for flight training; projectors, namely, movie projectors, photographic projectors, slide projectors, video projectors; monitors, namely, computer monitors, television monitors, video monitors, direct view displays; displays, namely, electric luminescent display panels, electrophoretic displays, head-mounted video displays, flat panel display screens, LCD displays, LED displays, plasma displays, OLED displays; screens, namely, fluorescent screens, LED screens, projection screens, video screens, flat panel display screens; electronic visualization devices, namely, video displays, video screens, video projectors; software for managing, integrating and optimizing the use of visualization equipment in the workflow and software for controlling projectors, auto alignment software or hardware, projector or display calibration or recalibration hardware or software, monitors, displays, screens and electronic visualization devices, all of the foregoing for professional application; graphic generators, namely, computers and software for generating, recording and projecting images, video monitors, video projectors, video screens; operating software for graphic generators; computers; controllers and consoles comprised of computer hardware and software for managing, integrating and optimizing the use of visualization equipment in the workflow; content scheduling software for scheduling video presentation sequences and timing; display and projector control and management software; and human-machine interface hardware, human-machine interface development software.