Casio fx-100AU PLUS, User Manual

Page: 66 / 72

Precision
In general, ±1 at the 10th digit for a single
calculation. Precision for exponential display is
±1 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
cos x
Deg 0
≦
| x | < 9 × 10
9
Rad 0
≦
| x | < 157079632.7
Gra 0 ≦ |
x
| < 1 × 10
10
tan
x
Deg
Same as sin x , except when | x | = (2 n -1) ×
90.
Rad
Same as sin x , except when | x | = (2 n -1) ×
π /2.
Gra
Same as sin x , except when | x | = (2 n -1) ×
100.
sin
-1
x
, cos
-1
x
0
≦
|
x
|
≦
1
tan
-1
x
0 ≦ |
x
| ≦ 9.999999999 × 10
99
sinh x , cosh x 0
≦
| x |
≦
230.2585092
sinh
-1
x 0
≦
| x |
≦
4.999999999 × 10
99
cosh
-1
x 1
≦
x
≦
4.999999999 × 10
99
tanh
x
0
≦
|
x
|
≦
9.999999999 × 10
99
tanh
-1
x
0 ≦ |
x
| ≦ 9.999999999 × 10
-1
log x , ln x 0 < x
≦
9.999999999 × 10
99
10
x
-9.999999999 × 10
99
≦
x
≦
99.99999999
e
x
-9.999999999 × 10
99
≦
x
≦
230.2585092
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