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Using the Action Menu
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u 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]
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u 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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u cuml
Function: Returns the cumulative sums of the elements in a list
Syntax: cuml (List [
)
]
Example: To determine the cumulative sums of the elements in the list {1, 2, 3}
Menu Item: [Action][List-Calculation][cuml]
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u Alist
Function: Returns a list whose elements are the differences between two adjacent
elements in another list.
Syntax: Alist (List [
)
]
Example: To generate a list whose elements are the differences between two adjacent
elements in the list {1, 2, 4}
Menu Item: [Action][List-Calculation][Alist]