Negative multiplication
Negative multiplications are performed exactly as
the positive ones, except using the red
multiplication key
[
Î
]
(14)
instead of the black
one [
Î
]
(13)
.
Example 10: 12
Í
(-34)
·
Set the multiplicand and the last digit of the
multiplier, 124
·
Press the negative multiplication key
[
Î
]
(14)
·
Enter the next multiplier digit, 3
·
Simultaneously press the negative multiplication
key
[
Î
]
and the narrow multiplication total key
(15)
OR
·
Press the negative multiplication key
[
Î
]
and
then
press the total key [
Þ
]
(4)
The machine prints 408 * as the result.
Negative terms in sums of products can also be
included.
Example 11: 12
Í
34 – 32
Í
156 = -4584
·
Set the first multiplicand and the last digit of the
multiplier, 124
·
Press the multiplication key [
Î
]
(13)
·
Set the next multiplier digit, 3
·
Press the multiplication key [
Î
]
(13)
·
Clear the input
(8)
·
Set the second multiplicand and the last digit of
the second multiplier, 326
·
Press the negative multiplication key,
[
Î
]
(13)
·
Set the next multiplier digit, 5
·
Press the negative multiplication key,
[
Î
]
(13)
·
Set the next multiplier digit, 1
·
Simultaneously press
[
Î
]
(13)
and
(15)
.
The result is printed in red as 4584 *.
