Casio FX-85GT PLUS - Manual (Page 28)

E-27
cos x
DEG 0  \ x \ 9
RAD 0  \ x \
GRA 0  \ x \ 10
tan x
DEG Same as sin x , except when \ x \ = (2 n –1) s
RAD Same as sin x , except when \ x \ = (2 n –1) s
GRA Same as sin x , except when \ x \ = (2 n –1) s
sin –1 x
0  \ x \ 
cos –1 x
tan –1 x 0  \ x \  99
sinh x
0  \ x \ 
cosh x
sinh –1 x 0  \ x \  99
cosh –1 x 1  x  99
tanh x 0  \ x \  99
tanh –1 x 0  \ x \  –1
log x /ln x 0 x  99
10
x –9.999999999 s 99  x  99.99999999
e
x –9.999999999 s 99  x  230.2585092
' x 0  x 1 s 100
x 2 \ x \ 50
x –1 \ x \ 100 ; x & 0
3  x \ x \ 100
x ! 0  x  69 ( x is an integer)
n Pr
0  n 1 s 10 , 0  r  n ( n , r are integers)
1  { n !/( n – r )!} 1 s 100
n Cr
0  n 1 s 10 , 0  r  n ( n , r are integers)
1  n !/ r ! 1 s 100 or 1  n !/( n – r )! 1 s 100
Pol( x , y )
\ x \, \ y \  99
x 2 + y 2  99
Rec( r , Ƨ)
0  r  99
Ƨ: Same as sin x
°’ ”
\ a \, b , c 1 s 100 ; 0  b , c
The display seconds value is subject to an error of 2 1 at
the second decimal place.
\ x \ 100
Decimal j Sexagesimal Conversions
0°0 0˝  \ x \ 
x
y
x 100 y log x
x y 
x y = n ,
m
2 n +1
( m , n are integers)
However: –1 s 100 y log \ x \