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Function plotting software for the IBM-PC and IBM-7371/7372 plotters

Alvin F. Andrus

Abstract

This report contains a program and user instructions for plotting functions and line graphs on the IBM-7371 or 7372 color plotter. Program input and operation are illustrated and explained. Examples that illustrate program capabilities are included. The program is written in IBM BASICA. The program eliminates the requirement for discrete coordinate inputs in order to plot functions. Continuous single valued functions are defined using the construction rules for standard BASIC expressions. These function definitions then become the program inputs. The program will also accept (X,Y) points and plot a line graph connecting the points

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Key concepts: Plotter, IBM, Computer science, Software, Graph, IBM PC compatible, Plot (graphics), Computer graphics (images)