Print commands

 

These commands print to an HP infrared printer, for example

 

the HP 82240B printer. Note: The HP 40G does not have an

 

infrared port and will not print to an infrared 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

 

You can use the following commands to prompt users for

 

input during your program or to provide information to users.

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 default_option_number; title; option1; option2;

 

...optionn

 

where default_option_number 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.

Programming

15-25

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Image 231
HP 40G manual Print commands, Prompt commands