Input Ranges - Casio FX-CG20 AU User Manual

2. Input Ranges

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