DECUS

This document is an update to the DECUS Program Library Catalog, dated February 1972. It provides a comprehensive listing of software programs for the PDP-8, FOCAL8, PDP-12, and LINC-8 computer systems. The catalog includes contact information for library staff and a detailed numerical index of available programs. Each entry typically contains the program number, title, a description of the program's purpose and functionality, required minimum hardware, memory and storage requirements, and the source language used. The document also includes information on program availability, including different formats such as paper tape, DECtape, and listings, as well as category indices to help users locate software for specific applications, such as programming languages, debugging, displays, and scientific data analysis.