2
(;) 16
4
(MthIO-MathO, MthIO-LineO)
2
16
4
Example 3:
log
2
(4
3
) = 6 (MthIO-MathO, MthIO-LineO)
2
(
x
3
)
6
Example 4:
log
2
(4)
3
= 8 (MthIO-MathO, MthIO-LineO)
2
4
(
x
3
)
8
Example 5:
To calculate ln 90 (= log
e
90) to three significant digits (Sci 3)
(SETUP)
(Sci)
90
4,50×10
0
Power Functions and Power Root
Functions
Note that the input methods for ,
,
, and
are different
depending upon whether you are using Natural Display or Linear Display.
Example 1:
1,2 × 10
3
= 1200 (MthIO-MathO)
1
2
10
3
1200
Example 2:
(1 + 1)
2+2
= 16 (MthIO-MathO)
1
1
2
2
16
Example 3:
(5
2
)
3
= 15625
5
(
x
3
)
15625
Example 4:
5
√32 = 2
(MthIO-MathO)
(
) 5
32
2
(LineIO) 5
(
) 32
2
Example 5:
To calculate √2 × 3 (= 3√2 = 4,242640687...) to three decimal
places (Fix 3)
(SETUP)
(Fix)
32
Summary of Contents for fx-991ZA Plus
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