HP 49g Graphing Calculator - Manual (Page 39)

To enter several lower-case characters one after the other:
1. If it is not locked already, lock the alpha keyboard (by pressing
twice).
2.
Press
0 (iPHA).
The lower-case keyboard is now locked. Every charac­
ter key you press now returns the character in lower case.
-3. Enter the characters.
If you need to enter an upper-case character while the lower-case
keyboard is locked, press
0
before pressing the character key.
Unlocking the lower-case keyboard
Unlock the lower-case keyboard by pressing
0 (0HA).
The alpha keyboard
remains active, therefore any characters you now enter will be upper-case
characters.
Entering several lower-case characters
Press (MPHA) to unlock the alpha keyboard and CENTER) when you have
finished your entry.
You can also unlock the lower-case keyboard—and the alpha keyboard—
by pressing
C
enter
)
or
(
cmie
D.
Entering special characters
From the keyboard
When the alpha keyboard is locked, you can enter certain special
characters by pressing keys in combination with 0. For example, letters
of the Greek alphabet can be entered by pressing
0
and a character key.
Certain symbols—such as monetary units, arrows, @, and others—can
also be entered by first pressing the
0
key. These characters and symbols
are shown above and to the right of the keys on the front cover of the
HP 49G pocket guide.
When the alpha keyboard is locked, pressing
0
and a character key
produces a lower-case character (see above). If a numeric key is pressed
instead, certain symbols are displayed. These characters and symbols are
shown above and to the left of the keys on the front cover of the HP 49G
pocket guide.
Basic operation Page 2-11