User manual - fx-50F_PLUS

Ck-44
!
A
!!࢐ߥ࿅ืࠧ޼ࣜ቗ࣜ๻ާ෷ӹ!
!࿒ӹ઼־ષޕቸ࢐ߥࣜ๻و࢐ߥ࿅ืࠧ޼ࣜ቗த૚ຑෳᅋوࣜ๻ާ෷ă!!
!࿯၂࢐ߥ!!
த૚ ࣜ๻ާ෷
࢐ߥާ෷وիื࿾ b
a =
n
Σy
i
– b
.
Σx
i
࢐ߥ࿅ื c
b =
n
.
Σx
i
2
–
(
Σx
i
)
2
n
.
Σx
i
y
i
– Σx
i
.
Σy
i
࿰ߔ࿅ื s
r =
{n
.
Σx
i
2
–
(
Σx
i
)
2
}{n
.
Σy
i
2
–
(
Σy
i
)
2
}
n
.
Σx
i
y
i
– Σx
i
.
Σy
i
޼ࣜ቗
m
m
y – a
b
=
޼ࣜ቗
ţ
n = a + b
x
!۠״࢐ߥ!
த૚ ࣜ๻ާ෷
࢐ߥާ෷وիื࿾ b
a = – b
()
– c
(
)
n
Σy
i
n
Σx
i
n
Σx
i
2
࢐ߥ࿅ื c
b =
Sxx
.
Sx
2
x
2
– (Sxx
2
)
2
Sxy
.
Sx
2
x
2
– Sx
2
y
.
Sxx
2
࢐ߥ࿅ื d
c =
Sxx
.
Sx
2
x
2
– (Sxx
2
)
2
Sx
2
y
.
Sxx – Sxy
.
Sxx
2
!!دกLj!
!
!!
!!
த૚ ࣜ๻ާ෷
޼ࣜ቗
m
!
1
m
1 =
2c
– b +
b
2
– 4c
(
a – y
)
޼ࣜ቗
m
!
2
m
2 =
2c
– b –
b
2
– 4c
(
a – y
)
޼ࣜ቗
n
n
= a + bx + cx
2
(Σx
i
)
2
Sxx = Σx
i
2
–
n
Sxy = Σx
i
y
i
–
n
(Σx
i
.
Σy
i
)
Sxx
2
= Σx
i
3
–
n
(Σx
i
.
Σx
i
2
)
Sx
2
x
2
= Σx
i
4
–
n
(Σx
i
2
)
2
Sx
2
y = Σx
i
2
y
i
–
n
(Σx
i
2
.
Σy
i
)
(Σx
i
)
2
Sxx = Σx
i
2
–
n
Sxy = Σx
i
y
i
–
n
(Σx
i
.
Σy
i
)
Sxx
2
= Σx
i
3
–
n
(Σx
i
.
Σx
i
2
)
Sx
2
x
2
= Σx
i
4
–
n
(Σx
i
2
)
2
Sx
2
y = Σx
i
2
y
i
–
n
(Σx
i
2
.
Σy
i
)