Discusses methods of calculating students' average grades and assigning letter grades by using dBASE II. Procedures are described for creating, recording, appending, editing, and sorting grade files; calculating total grades; using the fixed method to assign letter grades; and finding sample variances. The program for creating command files is…

An archive of still images in videodisc format becomes a powerful instructional tool when complemented by a computer data base system for selection and retrieval and programs to generate materials and manage image presentation. Considerations in using this potential include database design, a classification system, and computer-videodisc…

Developed from presentations given at a 3-day invitational meeting of 31 leading online catalog designers from both public and private sectors in North America, these papers provide information about online catalogs--their present form, their use, and the questions that need to be considered in their future refinement. All of the papers in this…