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RPN: The Automatic Memory Stack
2–13
File name 33s-English-Manual-040130-Publication(Edition 2).doc Page : 388
Printed Date : 2004/1/30 Size : 13.7 x 21.2 cm
Exercises
Calculate:
0000.181
05.0
)53805.16(
=
x
Solution:
16.3805
Ï
5
¸
?
.05
¯
Calculate:
5743.21)]98()76[()]54()32[( =+×+++×+
Solution:
2
Ï
3
Ù
4
Ï
5
Ù
¸
?
6
Ï
7
Ù
8
Ï
9
Ù
¸
?
Ù
Calculate:
(10 – 5)
÷
[(17 – 12)
×
4] = 0.2500
Solution:
17
Ï
12
Ã
4
¸
10
Ï
5
Ã
w
¯
or
10
Ï
5
Ã
17
Ï
12
Ã
4
¸
¯
Order of Calculation
We recommend solving chain calculations by working from the innermost
parentheses outward. However, you can also choose to work problems in a
left–to–right order.
For example, you have already calculated:
4
÷
[14 + (7
×
3) – 2]
by starting with the innermost parentheses (7
×
3) and working outward, just
as you would with pencil and paper. The keystrokes were 7
Ï
3
¸
14
Ù
2
Ã
4
w
¯
.
If you work the problem from left–to–right, press
4
Ï
14
Ï
7
Ï
3
¸
Ù
2
Ã
¯
.