Sharp EL-9900 사용자 설명서
244
Appendix
Function
Calculation range
Notes
x
_
sx
σx
r
b
a
y’
x’
Same for y
_
, sy and
σy
Regression calcula-
tions excluding 2nd,
3rd, and 4th degree
polynomials.
Same as above.
Same as b for other.
n
≠ 0
n > 1
|
Σx| < 1
×
10
50
0
≤
(
Σx)
2
n
Σx
2
–
n
–
1
< 1
×
10
100
n > 0
|
Σx| < 1
×
10
50
0
≤
(
Σx)
2
n
Σx
2
–
n
< 1
×
10
100
n > 0
|
Σx| < 1
×
10
50
|
Σy| < 1
×
10
50
0 < (
Σx
2
–
(
Σx)
2
n
) (
Σy
2
–
(
Σy)
2
n
) <1
×
10
100
|
Σxy
–
ΣxΣy
n
| < 1
×
10
100
< 1
×
10
100
n > 0
|
Σx| < 1
×
10
50
|(
Σx) (Σy)| < 1
×
10
100
0 < |
Σx
2
–
(
Σx)
2
n
| < 1
×
10
100
|
Σxy
–
ΣxΣy
n
| < 1
×
10
100
< 1
×
10
100
|bx
_
| < 1
×
10
100
|y
_
–
bx
_
| < 1
×
10
100
|bx| < 1
×
10
100
|a
+
bx| < 1
×
10
100
|y
–
a| < 1
×
10
100
|
y
–
a
b
| < 1
×
10
100