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2-14
I Logarithmic and Exponential Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example Operation
log 1.23 (log
10
1.23) = 0.08990511144
J1.23U
log
2
8=3
*(CALC)*(E)(log
a
b)28U
(–3)
4
= (–3) s (–3) s (–3) s (–3) = 81
3,4U
7
123 (= 123
1
7
) = 1.988647795
7,(
x
)123U
* fx-7400G
II: (CALC)
• The Linear input/output mode and Math input/output mode produce different results when
two or more powers are input in series, like: 2 , 3 , 2.
Linear input/output mode: 2^3^2 = 64 Math input/output mode:
2
3
2
= 512
This is because the Math input/output mode internally treats the above input as: 2^(3^(2)).
I Hyperbolic and Inverse Hyperbolic Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example Operation
sinh 3.6 = 18.28545536
*(E)(HYP)*(sinh)3.6U
cosh
–1
20
15
= 0.7953654612
*(E)(HYP)*(cosh
–1
)2015U
* fx-7400G
II: (HYP)
I Other Functions
• Be sure to specify Comp for Mode in the Setup screen.
Example Operation
2+5 = 3.65028154
V()2V()5U
(–3)
2
= (–3) s (–3) = 9
3VU
8! (= 1 s 2 s 3 s .... s 8) = 40320
8*(E)(PROB)*
1
(x!)U
What is the integer part of – 3.5?
–3
*(E)(NUM)*
2
(Int)3.5U
*
1
fx-7400GII: (PROB) *
2
fx-7400GII: (NUM)