Casio CLASSPAD 330 3.04 - Manual (Page 188)

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S variance
Function: Returns the sample variance of the elements in a list.
Syntax: variance (List [ ) ]
Example: To determine the sample variance of the elements in the list {1, 2, 4}
Menu Item: [Action][List-Calculation][variance]
S dim
Function: Returns the dimension of a list.
Syntax: dim (List [ ) ]
Example: To determine the dimension of the list {1, 2, 3}
Menu Item: [Action][List-Calculation][dim]
S sum
Function: Returns the sum of the elements in a list.
Syntax: sum (List-1[, List-2] [ ) ]
• “List-2” specifies the frequency of each element in “List-1”.
Example: To determine the sum of the elements in the list {1, 2, 3}
Menu Item: [Action][List-Calculation][sum]
Example: To determine the sum of the elements in the list {1, 2, 3}, whose respective
frequencies are {3, 2, 1}
Menu Item: [Action][List-Calculation][sum]
S prod
Function: Returns the product of the elements in a list.
Syntax: prod (List-1[, List-2] [ ) ]
• “List-2” specifies the frequency of each element in “List-1”.
Example: To determine the product of the elements in the list {1, 2, 3}
Menu Item: [Action][List-Calculation][prod]
Example: To determine the product of the elements in the list {1, 2, 3}, whose respective
frequencies are {3, 2, 1}
Menu Item: [Action][List-Calculation][prod]
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Using the Action Menu