Casio FX300MS User Guide - Page 26
Regression Calculations - quadratic
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Regression Calculations REG Use the F key to enter the REG Mode when you want to perform statistical calculations using regression. REG F 3 • In the SD Mode and REG Mode, the | key operates as the S key. • Entering the REG Mode displays screens like the ones shown below. L i n Log Ex p 1 23 re Pw r I nv Quad 1 23 • Press the number key (1, 2, or 3) that corresponds to the type of regression you want to use. 1 (Lin) : Linear regression 2 (Log) : Logarithmic regression 3 (Exp) : Exponential regression r 1 (Pwr) : Power regression r 2 (Inv) : Inverse regression r 3 (Quad) : Quadratic regression • Always start data input with A B 1(Scl) = to clear statistical memory. • Input data using the key sequence shown below. P S • The values produced by a regression calculation depend on the values input, and results can be recalled using the key operations shown in the table below. E-24