Casio FX 260 User Manual - Page 34
Specifications - fx 260solar
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UPC - 079767157289
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kSpecifications 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) batter y Battery Life (fx-85B/fx-280) : Approximately 3 years (1 hour use per day) on LR44/SR44 battery Input Ranges : Functions Input Range sinx cosx tanx (DEG) ȊxȊ9҂109 (RAD) ȊxȊ5҂107 rad (GRA) ȊxȊ1҂1010 grad However, for tan x: ȊxȊ≠ 90(2nѿ1):DEG ȊxȊ≠ ր2·(2nѿ1):RAD ȊxȊ≠ 100(2nѿ1):GRA sin-1x cos-1x ȊxȊͨ 1 tan-1x ȊxȊ 1 ҂ 10100 sinhx coshx tanhx ȊxȊͨ 230.2585092 ȊxȊ 1҂ 10100 For sinh and tanh,errors are cumulative and accuracy is affected at a certain point when x=0. sinh-1x ȊxȊ 5 ҂ 1099 cosh-1x 1ͨ x 5 ҂ 1099 - 32 -
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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
³
10
100
»
x
»¹
230.2585092
»
x
»¸
1
³
10
100
For sinh and tanh,errors
are cumulative and ac-
curacy is affected at a
certain point when
x
=0.
»
x
»¸
5
³
10
99
1
¹
x
¸
5
³
10
99
sin
x
cos
x
tan
x
sin
–1
x
cos
–1
x
»
x
»¹
1
(DEG)
»
x
»¸
9
³
10
9
(RAD)
»
x
»¸
5
³
10
7
±
rad
(GRA)
»
x
»¸
1
³
10
10
grad
However, for tan
x
:
»
x
»
≠
90(2
n
±
1):DEG
»
x
»
≠
±µ
2·(2
n
±
1):RAD
»
x
»
≠
100(2
n
±
1):GRA
Functions
Input
Range