Messages - HP 30b - Business Professional Calculator User Manual

Messages

The MSG function is used to display messages on screen; it is especially useful when used
before halting the program with
on the screen for the user.
To enter a message while creating a program:
:
Press (HOLD)
In this mode, you may press
<
or to jump 10 characters at a time. Once you have found the desired character, press
t
to validate and move to the next character. Press
There are also shortcuts for commonly used characters:
0 9
• -
.
• selects ?
=
• selects =
/*+-
•
}
• selects space
Once the character appears, press
If you want to modify a message that has been entered in a program, select the message and
:
press (HOLD)
As an example using the message mode, let's return to our sphere calculation program:
:EI
1.
0. To insert a message at step 1 and push everything else down, simply begin editing at
step 1. If you want to delete the current step, press
:
2. Press (HOLD)
84 Programming
. Release both keys. You can now enter messages.
> <
or
selects the corresponding numeric character
are shortcuts for the corresponding mathematical operator signs
t
message mode.
opens the Program menu, and you are now at step 1 of Program
.
(HOLD) , as it allows you to display messages
to select a character and
{
to validate. Press
{
.
:
(HOLD)
to remove the last character.
O
to exit message entry.
>