Casio fx-9750G Manual Calculations User Manual Page 12

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56
kk
kk
k Logarithmic and Exponential Functions
Be sure to specify “Comp” for Calculation/Binary, Octal, Decimal, Hexadecimal
Setting Mode.
Example Operation Display
log 1.23 (log101.23)
= 8.990511144 × 10
–2
l1.23w 0.08990511144
In 90 (loge90) = 4.49980967 I90w 4.49980967
10
1.23
= 16.98243652
(To obtain the antilogarithm
of common logarithm 1.23) !01.23w 16.98243652
e
4.5
= 90.0171313
(To obtain the antilogarithm
of natural logarithm 4.5) !e4.5w 90.0171313
(–3)
4
= (–3) × (–3) × (–3)
× (–3) = 81 (-3)M4w 81
–3
4
= –(3 × 3 × 3 × 3) = –81 -3M4w – 81
1
7
(= 123
7
)
123
= 1.988647795 7!q123w 1.988647795
2 + 3 ×
3
– 4 = 10 2+3*3!q64-4w*
1
10
64
*
1
^ (x
y
) and
x
take precedence over multiplication and division.
kk
kk
k Hyperbolic and Inverse Hyperbolic Functions
Be sure to specify “Comp” for Calculation/Binary, Octal, Decimal, Hexadecimal
Setting Mode.
Example Operation Display
sinh 3.6 = 18.28545536 K6(g)2(HYP)
1(sinh)3.6w 18.28545536
cosh 1.5 – sinh 1.5 K6(g)2(HYP)
= 0.2231301601 2(cosh)1.5-1(sinh)1.5w 0.2231301601
= e
–1.5
I!Kw – 1.5
(Proof of cosh x ± sinh x = e
±x
)
cosh
–1
20
= 0.7953654612
K6(g)2(HYP)
15
5(cosh
–1
)(20/15)w 0.7953654612
Determine the value of x
when tanh 4 x = 0.88
x
=
tanh
-1
0.88
K6(g)2(HYP)
4
= 0.3439419141 6(tanh
–1
)0.88/4w 0.3439419141
P. 5
P. 5
2 - 3 Function Calculations
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