hp 39gs_user's guide_English_E_HDPMG39AE13

18-26 Programming
Print commands
These commands print to an HP infrared printer, for
example the HP 82240B printer.
PRDISPLAY Prints the contents of the display.
PRDISPLAY:
PRHISTORY Prints all objects in the history.
PRHISTORY:
PRVAR Prints name and contents of variablename.
PRVAR variablename:
You can also use the PRVAR command to print the
contents of a program or a note.
PRVAR programname;PROG:
PRVAR notename;NOTE:
Prompt commands
BEEP Beeps at the frequency and for the time you specify.
BEEP frequency;seconds:
CHOOSE Creates a choose box, which is a box containing a list of
options from which the user chooses one. Each option is
numbered, 1 through n. The result of the choose
command is to store the number of the option chosen in a
variable. The syntax is
CHOOSE variable_name; title; option
1
; option
2
;
...option
n
:
where variable_name is the number of the option that will
be highlighted by default whenever the choose box is
displayed, title is the text displayed in the title bar of the
choose box, and option
1
...option
n
are the options listed
in the choose box.
HP 39gs English.book Page 26 Wednesday, December 7, 2005 11:24 PM