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CHAPTER 1
Example 5
Evaluate
places.
OPERATION
1 . First choose COMP mode, then evaluate
MODE
1
8
x
(
8
¡
À
2 . To express the answer correct to 4 decimal places, press the following keys.
MODE
MODE
MODE
Choose 4 to specify the number of decimal places.
4
So the required answer is 59.4659. To return to normal mode ( Norm ), press
MODE
MODE
MODE
Evaluate
Example 6
OPERATION
1 . Key in the expression for evaluation. Make sure the calculator is in COMP mode.
X
SHIFT
4
SHIFT
+
EXP
Note that we can omit the bracket
4
1
2
+
π
Evaluate
and express the answer correct to 5 significant figures.
51
Let's Get Started
3
+
2
8 (
7
)
89
, expressing the answer correct to 4 decimal
3
8 (
3
+
7
x
=
9
1
3
1
4
5
+ .
π
3
À
(
3
Ì
Ê
=
in performing this calculation.
)
+
2
7
)
89
.
2
)
3
(8
Fix 0~9?
3
(8
Norm 1~2?
5
Ì
4fiÀ(3^5+Ê)
D
0
2
+ 7
)¡À89
59.46588107
2
+ 7
)¡À89
59.4659
3.960921648
3
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