Casio FX-CG20 AU - Input Ranges

α-14
2. Input Ranges
Function
Input range for real
number solutions
Internal
digits
Precision Notes
sin
x
cos x
tan x
(DEG) | x | < 9 × (10
9
)°
(RAD) |
x | < 5 × 10
7
π rad
(GRA) | x | < 1 × 10
10
grad
15 digits
As a rule,
precision is
± 1 at the
10th digit.*
However, for tan
x :
|
x | ≠ 90(2 n +1): DEG
|
x | ≠ π /2(2 n +1): RAD
|
x | ≠ 100(2 n +1): GRA
sin
–1
x
cos
–1
x
tan
–1
x
| x | < 1
" "
|
x | < 1 × 10
100
sinh x
cosh x
tanh x
| x | < 230.9516564
" "
|
x | < 1 × 10
100
sinh
–1
x
cosh
–1
x
tanh
–1
x
| x | < 1 × 10
100
" "
1 <
x < 1 × 10
100
| x | < 1
log
x
ln x
1 × 10
–99
< x < 1 × 10
100
" "
• Complex numbers can be
used as arguments.
10
x
e
x
–1 × 10
100
< x < 100
" "
• Complex numbers can be
used as arguments.
–1 × 10
100
< x < 230.2585092
'
x
x
2
0 < x < 1 × 10
100
" "
• Complex numbers can be
used as arguments.
| x | < 1 × 10
50
1/ x
3
'
x
| x | < 1 × 10
100
, x ≠ 0
" "
• Complex numbers can be
used as arguments.
| x | < 1 × 10
100
x !
0 < x < 69
( x is an integer)
" "
n P r
n
C r
Result < 1 × 10
100
n , r ( n and r are integers)
0 < r < n , n < 1 × 10
10
" "
Pol (
x , y ) x
2
+ y
2
< 1 × 10
100
" "
Rec
(
r , θ )
|
r | < 1 × 10
100
(DEG) | θ | < 9 × (10
9
)°
(RAD) | θ | < 5 × 10
7
π rad
(GRA) | θ | < 1 × 10
10
grad
" "
However, for tan
θ :
| θ | ≠ 90(2 n +1): DEG
| θ | ≠ π /2(2 n +1): RAD
| θ | ≠ 100(2 n +1): GRA