Getting started 1-5
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.
HP 39gs English.book Page 5 Wednesday, December 7, 2005 11:24 PM
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