Advertisement
•
•
•
I
e! ~ -
}
2 3 Y.S G '18 9
a a
G •
f
•
12
11
10
9
8
7
6
5
4
·
3
2
1
Used in the following cases:
(1) To correct a numeral entered by mistake.
For example, if 233 has been mistakenly
entered as 232, depress the
II
key and
re-en ter 3.
(2)
In the case of double entry, the next digit
cannot be entered. Therefore, shift down
one digit with the
II
key and re·enter.
Reverse Key
Used for interchanging a numeral to be calculat-
ed and a calculating numeral, such as the
multiplicand
and
the
multiplier
in
multi-
plications and dividend and divisor in divisions.
II
Sine
Key
Used for finding a sine value of the displayed
contents.
31
Cosine
Key
Used for finding a cosine value of the displayed
con ten t5.
II
a
Tangent
Key
Used for finding a tangent value of the dis-
played contents.
III
Arc
Key
Used
for finding an
arc-sine, arc-cosine, or
arc-tangent value of the displayed contents.
Th is key is used in combination with the
II,
31,
or
III
key.
II
Natural Logarithm
Key
Used for finding a natural logarithmic value of
the displayed con ten ts.
III
Common
Logarithm
Key
Used for finding a common logarithmic value of
the displayed contents.
II
Exponential
Key
Used
for
finding an exponent of the dis-
played contents.
II
Power
Key
Used for finding x power of
a. This key is a
5
Advertisement
