HP 39gs Graphing manual Entry/Edit keys, 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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