HP 39g+ Graphing manual Entry/Edit keys, Same, Button performs

Entry/Edit keys

The entry and edit keys are:

Key

Meaning

(CANCEL)

Cancels the current operation if the

calculator is on by pressing

.

Pressing

, then OFF turns

the

calculator

off.

Accesses the function printed in blue

above a key.

Returns to the HOME view, for

performing calculations.

Accesses the alphabetical

characters printed in orange below

a key. Hold down to enter a string

of characters.

Enters an input or executes an

operation. In calculations,

acts like “=”. When

or

is present as a menu

key,

acts the same as pressing

or

.

Enters a negative number. To enter

–25, press

25. Note: this is not

the same

operation that the subtract

button performs (

).

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.

CLEAR

Clears all data on the screen. On a

settings screen, for example Plot

Setup,

CLEAR returns all

settings

to their default values.

,

,

,

Moves the cursor around the

display. Press

first to move to

the beginning,

end,

top or bottom.

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