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k
Specifications
Power Supply :
fx-82SOLAR/fx-260SOLAR :
Solar cell
fx-85B/fx-280 :
CASIO TWO-WAY POWER System: solar
cell plus one G13 Type (SR44 or LR44)
battery
Battery Life (fx-85B/fx-280) :
Approximately 3 years (1 hour use per day)
on LR44/SR44 battery
Input Ranges :
tan
–1
x
sinh
x
cosh
x
tanh
x
sinh
–1
x
cosh
–1
x
x
1
10
100
x
230.2585092
x
1
10
100
For sinh and tanh,errors
are cumulative and ac-
curacy is affected at a
certain point when
x
=0.
x
5
10
99
1
x
5
10
99
sin
x
cos
x
tan
x
sin
–1
x
cos
–1
x
x
1
(DEG)
x
9
10
9
(RAD)
x
5
10
7
rad
(GRA)
x
1
10
10
grad
However, for tan
x
:
x
≠
90(2
n
1):DEG
x
≠
2·(2
n
1):RAD
x
≠
100(2
n
1):GRA
Functions
Input Range
