20050401
α
-2-1
Input Ranges
2 Input Ranges
sinx
cosx
tanx
sin
–1
x
cos
–1
x
tan
–1
x
sinhx
coshx
tanhx
sinh
–1
x
cosh
–1
x
tanh
–1
x
logx
Inx
10
x
e
x
x
x
2
1/x
3
x
x
!
nPr
n
Cr
As a rule,
precision is
±1 at the
10th digit.*
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However, for tanx:
|x| ≠ 90(2n+1): DEG
|x| ≠ π/2(2n+1): RAD
|x| ≠ 100(2n+1): GRA
Important!
• sinh and tanh become
singular points when
x = 0.
In this vicinity, errors
become cumulative and
accuracy deteriorates.
• Complex numbers can be
used as arguments.
• Complex numbers can be
used as arguments.
•
Complex numbers can be
used as arguments.
• Complex numbers can be
used as arguments.
(DEG) |x| < 9 × (10
9
)°
(RAD) |x| < 5 × 10
7
πrad
(GRA) |x| < 1 × 10
10
grad
|x| < 1
|x| < 1 × 10
100
|x| < 230.9516564
|x| < 1 ×10
100
|x| < 1 × 10
100
1< x < 1 × 10
100
|x| < 1
1 × 10
–99
< x < 1 × 10
100
–1 × 10
100
< x < 100
–1 × 10
100
< x < 230.2585092
0 < x < 1 × 10
100
|x| < 1 × 10
50
|x| < 1 × 10
100
, x
≠
0
|x| < 1 × 10
100
0 < x < 69
(x is an integer)
Result < 1 × 10
100
n, r (n and r are integers)
0 < r < n, n < 1 × 10
10
15 digits
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Function
Input range for real
number solutions
Internal
digits
Precision Notes
20070101