HP 30b HP 20b Business Consultant and HP 30b Business Professional User's Guid - Page 92

Messages, Once the character appears, press

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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. (HOLD) To enter a message while creating a program: , as it allows you to display messages : Press (HOLD) . Release both keys. You can now enter messages. > < : > In this mode, you may press or to select a character and (HOLD) < 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 to remove the last character. There are also shortcuts for commonly used characters: 0 9 • - selects the corresponding numeric character . • selects ? = • selects = /*+- • are shortcuts for the corresponding mathematical operator signs } • selects space t O Once the character appears, press to validate. Press to exit message entry. If you want to modify a message that has been entered in a program, select the message and : press (HOLD) message mode. As an example using the message mode, let's return to our sphere calculation program: :EI 1. opens the Program menu, and you are now at step 1 of Program 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

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