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