fx-82MS      fx-82TL

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S-SUM

On a Casio calculator you can recall statistical sums

		1

 

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SD mode

In standard deviation (SD mode) you can show

		1		∑x2 ∑x  n   1    2    3

 1  ∑x²   Sum of squares of values

 2  ∑x      Sum of values

 3  n   Number of observations

 

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REG mode

In linear regression calculations (REG mode) you can show

		1		∑x2  ∑x  n     1      2    3

 1  ∑x²   Sum of squares of values

 2  ∑x       Sum of values

 3  n    Number of observations

∑y2 ∑y  ∑xy   1     2     3

 1  ∑y²    Sum of squares of values

 2  ∑y        Sum of values

 3  ∑xy    Number of data

 

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