Radio Shack TRS-80 PC-3

KEY OPERATION SEQUENCE
(when 2 points on the line are known)
Step No. Key Input
Display Remarks
1
@:lw
X0 ~_
2
50
(ENTEF!!
Y0 ~_
3
50
(ENTER)
R~
4
50
(ENTER)
Xl ~_
5 -50
(ENTER)
Yl~_
6 a
(ENTER)
X2 ~_
7 50
(ENTER)
Y2~_
8
100
(ENTER)
P:
0.0000 49.9999
(xP,YP)
9
(ENTER)
Q:
50.0000
100.0000
(xQ' YQ)
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