This document describes the development of the PLATO system, and six figures illustrate the chronological development of PLATO terminals, lesson programing languages, instructional material, and system usage. A list of financial supporters of PLATO and the Computer-based Educational Research Laboratory is followed by a chronological listing of…

This is the third in a series of reports which the PLATO Services Organization is publishing to keep users up to date on curricular developments on the PLATO system. Materials are listed here under 71 general subject matter areas. The report presents first a list of all subject areas and instructional levels in which PLATO lesson development is in…

This report contains instructions for the use of GENERAL, a tutorial type teaching logic developed for the PLATO system. The logic of GENERAL is first introduced and diagrammed for the user. Then lesson planning for program authors is discussed in terms of format rules, branching pages, challenge pages, and information retrieval pages. Control…