HP 38g Graphing Calculator - Manual (Page 165)

The Drawing commands act on the display. The scale of the
display depends on the current aplet's Xmin, Xmax, Ymin,
and Ymax values. The following examples assume the HP 38G
default settings with the Function aplet as the current aplet.
Drawing Commands
ARC
BOX
ERASE
FREEZE
UNE
Draws an arc with center (x,y), radius,
start Jingle jneasurement, and end_angle_measurement.
ARC x ;y ; r a d l u s ; s ta r t_ a n g l e _ ia e a s u r m e n t;
e n d _ a n g le _ m e a s u r m e n t
Example ARC 0;0 ; 2 ; 0 ; 3 6 0
Draws circle centered at (0,0) of radius 2.
Draws a box with opposite corners (xl,yl) and (x2,yl).
BOX x l; y l;x 2 ; y 2
Example BOX
Draws a box, lower corner at (-1 ,-l), upper corner at (1,1).
Use the FREEZE
command to display the
graphic until the user
presses a key.
Clears the display.
ERASE
Keeps the display from being updated after a program finishes
running.
Draws a line from {xl, yl'} to {x2, yl).
LINE X l;y l;x 2 ;y 2
Example LINE 0 ; 0 ; 3 ; 3
Draws a line from (0,0) to (3,3).
Programming 8-13