HP 38g Graphing Calculator - Manual (Page 13)

Keys for Entry
and Editing
Key Meanine
Pressing |ON| while the calculator is on
(CANCEL) cancels the current operation. Pressing ■
first turns the calculator off.
■ (shift) Accesses the function printed in turquoise
color above a key.
1 HOME 1 Home base for calculations.
[M]
Alphabetic entry—press before a letter key.
1 ENTER 1 Enters an input or executes an operation. In
calculations, 1 enter 1 acts like “=“ When
{{OK}} is present as a menu key, | enter ] acts
the same as {{OK}}.
Q
Starts a negative number. To enter -5,
press 5.
[EEX] Enters an exponent of 10. To enter 5x10^
you press 5 ■ [EEX] 9. This appears as
5E9 or, after pressing | enter ],
5000000000.
1 x,T,e 1 Independent variable key. Types X, T, 0, or
N into the display, depending on the
current context.
[MD
■ [CLEAR]
Delete key. Backspaces if at the end of the
line.
Clear key. Clears all data on the screen
except settings, which return to their default
values.
0 B 0
Cursor-movement (navigation) keys. Press
a ■ first to move far.
■ [CHARS] Displays all available characters. To type
one, highlight it and press {{OK}}.
Inactive Keys If you press a key that does not operate in the current context,
a warning symbol like this
A
appears. There is no beep.
Getting Started 1-5