Casio fx-50F xˆ1, xˆ2, minX, maxX, minY, maxY, Minimum and Maximum Value Commands (MINMAX Menu)

Regression Coefficient and Estimated Value Commands for Quadratic Regression (VAR Menu)

For details about the formula that is executed by each of these commands, see “Regression Coefficient and Estimated Value Calculation Formula Table” (page 47).

a12(S-VAR)1(VAR)ee1

Obtains constant term a of the regression formula.

b12(S-VAR)1(VAR)ee2

Obtains coefficient b of the regression formula.

c12(S-VAR)1(VAR)ee3

Obtains coefficient c of the regression formula.

xˆ1 12(S-VAR)1(VAR)d1

Taking the value input immediately before this command as the y-value, uses the formula on page 47 to determine one estimated value of x.

xˆ2 12(S-VAR)1(VAR)d2

Taking the value input immediately before this command as the y-value, uses the formula on page 47 to determine one more estimated value of x.

yˆ 12(S-VAR)1(VAR)d3

Taking the value input immediately before this command as the x-value, uses the formula on page 47 to determine the estimated value of y.

Minimum and Maximum Value Commands (MINMAX Menu)

minX 12(S-VAR)2(MINMAX)1

Obtains the minimum value of the sample x-data.

maxX 12(S-VAR)2(MINMAX)2

Obtains the maximum value of the sample x-data.

minY 12(S-VAR)2(MINMAX)e1

Obtains the minimum value of the sample y-data.

maxY 12(S-VAR)2(MINMAX)e2

Obtains the maximum value of the sample y-data.

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