X-Y Plotter Patch for FOCAL '69

FOCAL8-90

Roy H. Swatzell, Jr., University of Alabama, School of

Medicine, Birmingham, Alabama

This routine is designed to give the user point or line plotting

capability through the FOCAL Interpreter.

Minimum Hardware:
PDP-8, ASR33, X-Y Plotter

(Digital)

Other Programs Needed:
FOCAL-69, BIN Loader

Storage Requirement:
111₈ locations (in FOCAL)

Restrictions:
This routine replaces the arctangent

and log routines in FOCAL

Source Language:
PAL III

Catalog: July 1973

Minimum Hardware:	PDP-8, ASR33, X-Y Plotter (Digital)
Other Programs Needed:	FOCAL-69, BIN Loader
Storage Requirement:	111₈ locations (in FOCAL)
Restrictions:	This routine replaces the arctangent and log routines in FOCAL
Source Language:	PAL III
Catalog:	July 1973