Casio FX-85ES PLUS User Manual

(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 dif
ferent 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)
(MthlO-MathO) ( ) 5 2 2.97×10
2
(LinelO) ( ) 5 2 2.97×10
2
Logarithmic Functions
Use the key to input log
a
b as log (a,b).
Base 10 is the default setting if you do not input anything for a.
The
key also can be used for input, but only while Natural Display is
selected. In this case, you must input a value for the base.
Example 1: log
10
1000 = log 1000 = 3
1000 3
Example 2:
log
2
16 = 4
30

Casio FX-85ES PLUS Specifications

General

Type	Scientific
Form factor	Pocket
USB port	No
Operation	256
Digits	12 digits
Display number of lines	- lines
Battery type	LR44
Power source	Battery/Solar
Auto power off	Yes
Battery life (max)	27300 h

Weight and Dimensions

Depth	161 mm
Width	80 mm
Height	12.2 mm
Weight	105 g