Written/ hardcopy computer program titled 'Four Word Floating Point Routines- Rudmentary Calculator'. Author: D. A, Dalby and D. E. Wells, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, Canada. DECUS Program library number 8-103(8). November 1967. Published by the Computer Users Society, Massachusetts.

Abstract: A minimum space program to perform calculations with the 10.5 decimal place precision of the Four Word Floating Point Package. Includes full source code listing.

The Digital Equipment Computer Users Society (DECUS) was set up by early users of the PDP-1 computer, which was manufactured by Digital Electronic Corporation (DEC), in Massachsetts, United States of America. The creation of DECUS was driven by the need to share information and computer programs for the PDP-1. One of the key reasons was that early users had to write their own software; DEC initially sold only hardware. Set up in 1961, DECUS grew to be one of the largest international societies of computer users in the world.

Physical Description

Portrait format paper that is printed on either both sides or one side only, and stapled together in the top left hand corner. The front cover has the Decus Program Library name and logo printed in blue in the top register of the page. The booklet number, title, author, company, date and format are also listed in the front cover. The information is presented in both tabular and text format and is printed in black ink.

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