HP 39gs Master Guide

T
T
h
h
e
e
D
D
r
r
a
a
w
w
i
i
n
n
g
g
c
c
o
o
m
m
m
m
a
a
n
n
d
d
s
s
This command draws an arc on the screen. It uses the
current values in the
PLOT SETUP view as the screen
coordinates and the settings in the the
MODES view for
angle format. This command is unfortunately quite
slow.
ARC <x-center>;<y-center>;<radius>;<start angle>;<end angle>
BOX <x
1
>;<y
1
>;<x
2
>;<y
2
>
This draws a rectangular box on the screen using
(x
1
,y
1
) and (x
2
,y
2
) as the corners. The coordinates are
relative to the settings in the
PLOT SETUP view.
ERASE
This command erases the current display screen.
FREEZE
This command halts execution until the user presses any key. Execution resumes on the next line of the
program.
LINE <x
1
>;<y
1
>;<x
2
>;<y
2
>
This draws a line on the screen using (x
1
,y
1
) and (x
2
,y
2
) as the ends. The coordinates are relative to the current
axis settings in the
PLOT SETUP view.
PIXON <x>;<y> and PIXOFF <x>;<y>
This command turns a pixel point on or off at the specified point. The coordinates are relative to the current
axis settings in the
PLOT SETUP view.
289

HP 39gs Specifications

General

Type	Scientific
Form factor	Pocket
Product color	Gray
Internal memory	0.256 MB

Weight and Dimensions

Weight	249 g
Dimensions (WxDxH)	187 x 94 x 31 mm