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fx-82MS      fx-82TL


REG

On a Casio calculator you can perform regression calculations

       COMP
 1 
SD
2
REG
3
 3 

 


Regression types
 Lin Log
Exp

 1  Lin  Linear regression

The formula for linear regression is
y = A + Bx

 2  Log  Logarithmic regression

The formula for logarithmic regression is
y = A + Bx • ln x

 3  Exp  Exponential regression

The formula for exponential regression is
y = A • eB •x     (ln y = ln A + Bx)
Pwr Inv Quad
  2

 1  Pwr  Power regression

The formula for power regression is
y = A • xB     (ln y = ln A + B ln x)

 2  Inv  Inverse regression

The formula for inverse regression is
y = A + B • 1 / x

 3  Quad Quadratic regression

The formula for quadratic regression is
y = A + Bx + Cx2

 


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