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α-8
3. Input Ranges
Function
Input range for real
number solutions
Internal
digits
Precision Notes
sin
x
cosx
tanx
(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(2n+1): RAD
|x| ≠ 100(2 n+1): GRA
sin
–1
x
cos
–1
x
tan
–1
x
|x| < 1
""
|
x| < 1 × 10
100
sinhx
coshx
tanhx
|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
Inx
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 Pr
n
Cr
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(2n+1): RAD
|
θ
| ≠ 100(2 n+1): GRA
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