Casio FX-7400GII, User Manual

Page: 335 / 412

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