Casio FX-82ES PLUS Calculator User Manual


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E-26
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 s10
9
RAD
0 \
x\ 157079632.7
GRA
0 \
x\ 1 s10
10
cosx
DEG
0 \
x\ 9 s10
9
RAD
0 \
x\ 157079632.7
GRA
0 \
x\ 1 s10
10
tanx
DEG
Same as sin
x, except when \x\ = (2n–1) s90.
RAD
Same as sin
x, except when \x\ = (2n–1) sP/2.
GRA
Same as sin
x, except when \x\ = (2n–1) s100.
sin
–1
x
0 \x\ 1
cos
–1
x
tan
–1
x
0 \x\ 9.999999999 s10
99
sinhx
0 \x\ 230.2585092
cosh
x
sinh
–1
x
0 \x\ 4.999999999 s10
99
cosh
–1
x
1 x 4.999999999 s10
99
tanhx
0 \x\ 9.999999999 s10
99
tanh
–1
x
0 \x\ 9.999999999 s10
–1
logx/lnx
0 x 9.999999999 s10
99
10
x
–9.999999999 s10
99
x 99.99999999
e
x
–9.999999999 s10
99
x 230.2585092
'
x
0 x 1 s10
100
x
2
\x\ 1 s10
50
x
–1
\x\ 1 s10
100
; x & 0
3
'
x
\x\ 1 s10
100
x!
0
x 69 (x is an integer)
nPr
0
n 1 s10
10
, 0 r n (n, r are integers)
1 {n!/(n–r)!} 1 s10
100
nCr
0
n 1 s10
10
, 0 r n (n, r are integers)
1 n!/r! 1 s10
100
or 1 n!/(n–r)! 1 s10
100
Pol(x, y)
\
x\, \y\ 9.999999999 s10
99
x
2
+
y
2
9.999999999 s10
99
Rec(r, θ)
0
r 9.999999999 s10
99
θ: Same as sinx
B
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