Casio FX250HC User Manual - Page 31
Specifications
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UPC - 079767108977
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kSpecifications Power supply : Two 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: Functions Input Range sinx cosx tanx sin-1 x cos-1x tan-1x sinhx coshx tanhx sinh-1x cosh-1x tanh-1x logx/lnx 10x (DEG)ȊxȊ9҂109 However, for tan x: (RAD)ȊxȊ5҂107 rad ȊxȊ≠ 90(2nѿ1):DEG (GRA)ȊxȊ1҂1010 grad ȊxȊ≠ ր2·(2nѿ1):RAD ȊxȊ≠ 100(2nѿ1):GRA ȊxȊͨ 1 ȊxȊ 1 ҂ 10100 ȊxȊͨ 230.2585092 ȊxȊ 1҂ 10100 For sinh and tanh,errors are cumulative and accuracy is affected at a certain point when x=0. ȊxȊ 5 ҂ 1099 1ͨ x 5 ҂ 1099 ȊxȊ 1 1҂ 10-99 ͨ x 1 ҂ 10100 -1҂ 10100 x 100 - 29 -
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— 29 —
Input
Range
Functions
tan
–1
x
sinh
x
cosh
x
tanh
x
sinh
–1
x
cosh
–1
x
tanh
–1
x
log
x
/ln
x
10
x
sin
x
cos
x
tan
x
sin
–1
x
cos
–1
x
»
x
»¸
1
³
10
100
»
x
»¹
230.2585092
»
x
»¸
1
³
10
100
»
x
»¹
1
For sinh and tanh,errors are
cumulative and accuracy is af-
fected at a certain point when
x
=0.
»
x
»
≠
90(2
n
±
1):DEG
»
x
»
≠
±µ
2·(2
n
±
1):RAD
»
x
»
≠
100(2
n
±
1):GRA
However, for tan
x
:
»
x
»¸
5
³
10
99
1
¹
x
¸
5
³
10
99
»
x
»¸
1
1
³
10
–99
¹
x
¸
1
³
10
100
–1
³
10
100
¸
x
¸
100
(DEG)
»
x
»¸
9
³
10
9
(RAD)
»
x
»¸
5
³
10
7
±
rad
(GRA)
»
x
»¸
1
³
10
10
grad
k
Specifications
Power supply :
Two 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: