Abstract
POLYPLOT is an interactive program in BASIC, with a modular structure, for plotting x- y graphs on a conventional printer. The options offered by POLYPLOT are: input of data from keyboard or disk file: single parameter or combination of parameters assigned to each axis; log plots: best-fit line and polynomial curve fitting; program scaling or user scaling of the axes; replotting of a data set, excluding samples, either individually or in groups. POLYPLOT may be used to create a large number of different programs because each option is contained in program modules which may be merged into a central program framework as required. The options operate independently so that programs containing any combination of options may be created.
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