HP 39g Graphing Calculator - Manual (Page 227)

RUN
STOP
Runs the named program. If your program name contains
special characters, such as a space, then you must enclose the
file name in double quotes (" ")■
RUN "program name" or RUN programname
Stops the current program.
STOP
Drawing commands
ARC
BOX
ERASE
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
39G/40G default settings with the Function aplet as the
current aplet.
Draws a circular arc, of given radians, whose centre is at (x,y)
The arc is drawn from startjmglejneasurement, and
endjmglejneasurement.
ARC x ; y ; radius; startjmgle jneasurment ;
end jangle jneasurment:
Example
ARC 0 ; 0 ; 2 ; 0 ; 3 6 0 :
FREEZE:
Draws a circle centered
at (0,0) of radius 2. The
FREEZE command
causes the circle to
remain displayed on the screen until you press a key.
Draws a box with opposite comers (xl jl) and (x2,y2).
BOX xl ;yl -,x2;y2:
Example
BOX
FREEZE;
Draws a box, lower
comer at (-1 .-l), upper
comer at (1,1)
Clears the display
ERASE:
Programming 15-19