Casio fx-250HC User Manual

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Input RangeFunctions
tan
–1
x
sinhx
coshx
tanhx
sinh
–1
x
cosh
–1
x
tanh
–1
x
logx/lnx
10
x
sinx
cosx
tanx
sin
–1
x
cos
–1
x
x 1 
10
100
x 230.2585092
x 1
10
100
x 1
For sinh and tanh,errors are
cumulative and accuracy is af-
fected at a certain point when
x=0.
x≠ 90(2n1):DEG
x≠ 2·(2n1):RAD
x≠ 100(2n1):GRA
However, for tan x:
x 5 
10
99
1 x  5  10
99
x 1
1
10
–99
 x  1  10
100
–1 10
100
 x  100
(DEG)x910
9
(RAD)x510
7
 rad
(GRA)x110
10
grad
kSpecifications
Power supply : Tw o AA-size manganese dry batteries
(UM-3 or R6P (SUM-3))
Battery Life: Approximately 9,000 hours continuous
operation on type UM-3, 11,000 hours
continuous operation on R6P(SUM-3)
Power
Consumption: 0.0004W
Input Ranges:

Casio fx-250HC Specifications

General

Brand	Casio
Model	fx-250HC
Category	Calculator
Language	English