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; option1; option2;

 

...optionn:

 

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 option1...optionn are the options listed

 

in the choose box.

18-26

Programming

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Image 248
HP 39gs Graphing manual Print commands, Prompt commands