1·2
Functions
of
Components
• Power Switch
When this switch
is
moved to the right, the power is turned on, and when it
is
moved to the left, the power
is
turned off.
• Shift Key (Red (]] Key)
If
this key
is
pressed, the shift mode
is
selected
("
(]] "
is
displayed) and the
command or symbol printed above each key can be displayed. When it
is
pressed
again, the shift mode
is
released and
"(]]
" disappears. (To distinguish this key
from the alphabetical
(]] key, it will be written as
~
from now on in this
manual.)
• Function Key (Blue[[) Key)
If
this key
is
pressed, the function mode is selected
("
[[) "
is
displayed) and the
function printed below each key can be displayed. When
it
is pressed again, the
function mode
is
released and " [[) " disappears: (To distinguish this key from
the alphabetical[[) key,
it
will be written
as~
from now
on
in this manual.)
• Numeral Keys, Decimal Point Key, Calculation Keys,
and Execution Key
Examine this key array carefully.
It
is the same.
as
that
of
an ordinary calculator, isn't it? This part is used when the
four arithmetic calculations (addition, subtraction, multi-
plication, division) are performed. However, the following
differences exist. The 00 (multiplication) and
GJ
(division)
keys are different and there
is
no
El
key while there
is
an
CZJ
[Z)
[al~
00
~~~El
8 (execution) key. This occurs because a computer uses an [1J
~ ~
[±]
* (asterisk) for X
and/
(slash) for
7,
while the answer
is
-1'-
4
obtained
by
the 8 key instead
of
the
El
key.
~
GJ
I
EXE
I
3
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