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D: RPN: Summary 267
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
The cube root example and the percentage addition example (previous
topics) are two simple examples of chain calculations.
For another example, calculate
7 x (12 + 3)
Start the calculation inside the parentheses by finding 12 + 3. Notice
that you don’t need to press
E
to save this intermediate result (15)
before proceeding. Since it is a calculated result, it is saved
automatically
－without using parentheses.
Keys: Display: Description:
12
E
3
+
Intermediate result.
7
*
Pressing the function key
produces the answer.
Now study these examples. Note the automatic storage and retrieval of
intermediate results.
To Calculate: Press: Display:
(750 x 12) ÷ 360 750
E
12
*
360
/
360 ÷ (750 x 12) 360
E
750
E
12
*/
or
750
E
12
*
360
x/
{(456－75) ÷ 18.5}
x (68
÷ 1.9)
456
E
75
-
18.5
/
68
E
1.9
/*
(3＋4) x (5＋6) 3
E
4
+
5
E
6
+
*