Casio FX-82AU PLUS - Manual (Page 20)

E-19
Number of Digits for Internal
Calculation
15 digits
Precision In general, p1 at the 10th digit for a single
calculation. Precision for exponential
display is
p1 at the least significant digit.
Errors are cumulative in the case of
consecutive calculations.
Function Calculation Input Ranges and Precision
Functions Input Range
sin x
DEG 0 \ x \ 9
RAD 0 \ x \
GRA 0 \ x \ 10
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