To help the PLATO computer-based instruction system user achieve the most efficient storage and manipulation of data, this manual begins with a review of the structure of decimal, binary, and octal number systems, and methods for converting from one system to another. The text describes the four basic operations that PLATO employs to manipulate…

This report is a revision and expansion of an earlier research report that described the design of the University of Guelph's documentation system for the organization of government publications within university libraries. The design of the Guelph document system represents a deliberate departure from cataloging and classification theory and…