HP 39gII, Руководство пользователя

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Getting started 5
Entry/Edit keys
The entry and edit keys are:
P
Displays the Plot view for the
current app.
M
Displays the Numeric view
for the current app.
H
Displays the Home view, for
performing calculations.
I
Displays the App Library
menu.
V
Displays the VIEWS menu.
Key Meaning (Continued)
Key Meaning
O
(
CANCEL
)
Cancels the current operation if the
calculator is on by pressing
O
.
Pressing
S
, then
OFF
turns the
calculator off.
S
Accesses the function printed at the
bottom left of a key.
A
Accesses the alphabetical
characters printed at the bottom
right of a key. Press
A
twice to
lock this shift so you can enter a
string of characters.
E
Enters an input or executes an
operation. In calculations,
E
acts like “=”. When or
is present as a menu key,
E
acts the same as pressing
or .
-
Enters a negative number. To enter
–25, press
-
25. Note: this is
not the same operation that the
subtraction key performs (
w
).