Electronic apparatus and instruments for use in teaching, and personal computing equipment for use therewith, namely, computers, keyboards, interactive electronic whiteboards and associated electronic pens and pads and handheld transmitters and receivers of data; display apparatus and light projectors, namely, slide projectors; projection and display screens, namely, liquid crystal display screens, and video monitors; electronic graphic PC tablets and computer keypads; computer software recorded on electronic data carriers, and computer software downloadable from on-line databases, all such software for use in teaching, training, and education comprising a generic software toolset for development and interactive presentation of lessons and lectures; electronic encryption units; wireless computer peripherals and wireless telephones; data processors; audio, stereo and video receivers; signal processors; radio and telephone transmitters; handheld wireless transmitters and receivers for use in educational teaching and presentation and demonstration services in a business setting; light emitting diode displays; flat panel display screens; liquid crystal displays; computer hardware; computers; computer peripherals; computer operating programs