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  1. Proceedings of the fourth international conference on APL (APL '72)
  2. An APL approach to interactive display terminal graphics
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Is APL epidemic? or a study of its growth through an extended bibliography
An APL approach to interactive display terminal graphics
Graphics in APL
An interactive APL graphics system
Modeling a satellite experiment on APL
Representing negative integers in bit vectors
APL as a teaching tool: Two versatile tutorial approaches
The evolution of an interactive chemistry laboratory program
A collection of graph analysis APL functions
Management of APL time-sharing activities
Every little bit hurts: Saving money by saving space in APL
Security of APL applications packages
A PL/1 batch processor for APL
Subtasking in APL
Suggestion for a “mapped”, extension of APL
APL as a notation for statistical analysis
An adaptive query system
Microprogram training - an APL application
ECAPL-An APL Electronic Circuit Analysis Program
Use of APL in teaching electrical network theory

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An APL approach to interactive display terminal graphics

Content Provider ACM Digital Library
Author Niehoff, W. H. Jones, A. L.
Abstract Larger, generalized graphics packages, as well as specialized graphic application packagese, have not been especially successful in their penetration into the daily computing habits of computer users. We believe that this has been because of the relatively poor availability of display terminal equipment and limited useability of the programming support. An object lesson is provided by the acceptance of the APL language and its System/360 implementation. Its penetration into the working habits of users has been dramatic. APL/360 GRAPHPAK is an integrated collection of functions, implemented entirely within APL that couples the facilities of APL/360 with economical, commercially available hardware to implement a highly interactive, easy to use graphic display facility. It attempts to employ the same attributes of APL that make APL attractive to yield a similarly pervasive system. This paper will discuss the design philosophy behind GRAPHPAK, its basic functions, its application-oriented functions, and applications which have sprung from these basic facilities. It will attempt to show why this facility has demonstrated that useable, highly interactive, and economical computer graphics is very definitely possible in today's technical environment.
Starting Page 23
Ending Page 32
Page Count 10
File Format PDF
DOI 10.1145/800011.808107
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 1972-01-01
Publisher Place New York
Access Restriction Subscribed
Content Type Text
Resource Type Article
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