x^3

fx-9860GII

On a Casio calculator you can select cubic regression

CALC REG x^3

MENU 2 F2 F3 F4

Explanation

CubicReg
   a =0
   b =1
   c =0
   d =1
   r²=1
  Mse=0
y=ax³+bx²+cx+d

a Regression fourth coefficient

b Regression third coefficient

c Regression second coefficient

d Regression constant term (y-intercept)

r² Coefficient of determination

Mse Mean square error

a	Regression fourth coefficient
b	Regression third coefficient
c	Regression second coefficient
d	Regression constant term (y-intercept)
r²	Coefficient of determination
Mse	Mean square error