Describes the information processing system employed by Chemical Abstracts Service which utilizes computers to organize material from the data base, convert it to the appropriate type face and format, and photocompose it in a form suitable for conversion to offset printing plates. (GS)

Science and technology use a large variety of symbols to represent physical properties, chemical formulas, and mathematical expressions. Since data centers which codify and evaluate physical properties need to use this conventional symbolism, it is recommended that they adopt the symbols and terminology specified by the various International…

An illustration of modestly-interactive instruction of moderate length--to be administered to six students who start off together--is presented. Implications for IDCMS regarding number of audio programs and video files and extent of looping are preliminarily deduced on the basis of characteristics of the illustrative instructional program.…