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The Automatic Memory Stack 2–13
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
You don't need to press
to save this intermediate result before
proceeding; since it is a calculated result, it is saved automatically.
Keys: Display: Description:
7
y
)
Pressing the function key produces the
answer. This result can be used in
further calculations.
Now study the following examples. Remember that you need to press
only to separate ,sequentially–entered numbers, such as at the beginning
of a problem The operations themselves (
,
, etc.) separate
subsequent numbers and save intermediate results. The last result saved is the
first one retrieved as needed to carry out the calculation.
Calculate 2
÷
(3 + 10):
Keys: Display: Description:
3
10
)
Calculates (3 + 10) first.
2
Z
p
)
Puts 2 before 13 so the division is
correct: 2
÷
13.
Calculate 4
÷
[(14 + (7
×
3) – 2] :
Keys: Display: Description:
7
3
y
)
Calculates (7
×
3).
14
2
)
Calculates denominator.
4
Z
)
Puts 4 before 33 in preparation for
division.
p
)
Calculates 4
÷
33, the answer.
Problems that have multiple parentheses can be solved in the same manner
using the automatic storage of intermediate results. For example, to solve (3 +
4)
×
(5 + 6) on paper, you would first calculate the quantity (3 + 4). Then you
would calculate (5 + 6). Finally, you would multiply the two intermediate
results to get the answer.