Input Ranges - Casio CFX9850GBPLUS User Manual

2 Input Ranges

Input range for real
Function
number solutions
x
sin x
(DEG) | | < 9
x x
cos (RAD) | | < 5
x
x (GRA) | | < 1
tan
–1
x
sin
x
| | < 1
–1
x
cos
–1
x
x
tan
| | < 1 10
x
sinh
x
| < 230.9516564
|
x
cosh
x x
tanh | | < 1 10
x
–1
| | < 1 10
x
sinh
–1 x
x
1 < < 1
cosh
–1
x
x
tanh
| | < 1
x
log
–99
1 10 <
x
In
x
100
10 –1 10
100
–1 10
x
e
<
x
' x
0 <
< 1
2 x | < 1 10
x
|
x
| | < 1 10
x
1/
' x
3 x
| | < 1 10
x
0 < < 69
x
!
x
( is an integer)
Result < 1
nPr
n r n
,
( and
nCr
r n
0 < < ,
Input Ranges
Internal
digits
9
(10 ) °
7
10 rad 15 digits
10
10 grad
100
100
100
100
10
100
x
< 1 10
x
< < 100
x
< 230.2585092
100
10
50
100
x
, 0
100
100
10
r
are integers)
10
n
< 1 10
-2-1
Precision
As a rule,
precision is
1 at the
10th digit.*
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20070201
Notes
x
However, for tan :
x n
| | 90(2 +1): DEG
x n
| | /2(2 +1): RAD
x n
| | 100(2 +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.