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(sinh) 1 1.175201194
Example 2: cosh
-1
1 = 0
(cosh
-1
) 1 0
Angle Unit Conversion
°,
r
,
g
: These functions specify the angle unit. ° specifies degrees,
r
radians, and
g
grads.
Input a function from the menu that appears when you perform the
following key operation: (DRG ).
Example: π/2 radians = 90°, 50 grads = 45° (Angle unit: Deg)
(π) 2 (DRG ) (
r
)
90
50 (DRG ) (
g
) 45
Exponential Functions
Note that the input method is different depending upon whether you are
using Natural Display or Linear Display.
Example: To calculate e
5
× 2 to three significant digits (Sci 3)
(SETUP) (Sci)
(MthIO-LineO) ( ) 5 2 2.97×10
2
(LineIO) ( ) 5 2 2.97×10
2
Logarithmic Functions
Example 1: log
10
1000 = log 1000 = 3
1000 3
Example 2: To calculate ln 90 (= log
e
90) to three significant digits (Sci 3)
(SETUP) (Sci)
90
4.50×10
0
31
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