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.
Summary of Contents for 39g+
Page 1: ...hp 39g graphing calculator user s guide H Edition 2 Part Number F2224 90001 ...
Page 62: ...2 22 Aplets and their views 5 Display the functions in numeric form ...
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