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.

 

 

 

 

 

 

 

Getting started

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