HP 39g+ - Manual (Page 15)

Getting started 1-5
Entry/Edit keys The entry and edit keys are:
Key Meaning
>21@ (
CANCEL ) Cancels the current operation if the
calculator is on by pressing
>21@.
Pressing >6+,)7@, then
OFF turns the
calculator off.
>6+,)7@ Accesses the function printed in blue
above a key.
>+20(@
Returns to the HOME view, for
performing calculations.
>$/3+$@
Accesses the alphabetical characters
printed in orange below a key. Hold
down to enter a string of characters.
>(17(5@
Enters an input or executes an
operation. In calculations,
>(17(5@ acts
like “=”. When PF— or TU6SU—Ã is present
as a menu key,
>(17(5@ acts the same
as pressing PF— or TU6SU— .
>  @
Enters a negative number. To enter
–25, press
>  @25. Note: this is not the
same operation that the subtract
button performs (
>@
).
>;75@
Enters the independent variable by
inserting X, T,
θ,
or N into the edit line,
depending on the current active aplet.
>'(/@
Deletes the character under the cursor.
Acts as a backspace key if the cursor is
at the end of the line.
>6+,)7@
CLEAR Clears all data on the screen. On a
settings screen, for example Plot
Setup,
>6+,)7@
CLEAR returns all settings
to their default values.
*>,, *A,, *k,,
*e,
Moves the cursor around the display.
Press
>6+,)7@
first to move to the
beginning, end, top or bottom.
>6+,)7@
CHARS Displays a menu of all available
characters. To type one, use the arrow
keys to highlight it, and press
PF— . To
select multiple characters, select each
and press
@8CP— , then press PF— .