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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
+
*