Calculation formula used for each command
 y
 x
 x
2
A =          B
n
(
      
n
)
   C
(
       
n
)
S
xy.
S
x
2
x
2 
  S
x
2
y.
S
xx
2
B =
S
xx.
S
x
2
x
2 
  (S
xx
2
)
2
S
x
2
y.
S
xx
   S
xy.
S
xx
2
C = S
xx.
S
x
2
x
2 
  (S
xx
2
)
2
( x)
2
Sxx
 = 
 x
2
n
Sxy
 = 
 xy 
  (
 x. y
)
n
Sxx
2
 = 
 x
3
( x. x
2
)
n
Sx
2
x
2
 = 
 x
4
(
 x
2
)
2
n
Sx
2
y
 = 
 x
2
y 
  (
 x
2
. y
)
n
  B + B
2 
  4C
(
A 
  y
)
m
1
 =
2C
  B   B
2 
  4C
(
A 
  y
)
m
2
 =
2C
n = A + Bx + Cx
2
Reg Sub menu (17(S MENU)7(Reg))
Select this
When you want to obtain this:
menu item:
1A
Regression coefficient constant term A
Linear coefficient B of the regression
2B
coefficients
Quadratic coefficient C of the regression
3C
coefficients
4
m
1
Estimated value of 
x
1
5
m
2
Estimated value of 
x
2
6
n
Estimated value of 
y
E 122






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