Xceed Chart for WinForms v4.4 Documentation
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    Sum
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    Syntax

    SUM(A1 [; ByEveryN])

    Arguments

    A1 must be an array.
    ByEveryN is an optional argument: an integer constant, greater than or equal to 1.

    Result

    Returns a scalar value, which is the sum of the elements in the array A1.
    If ByEveryN is supplied, then the function calculates the sum of every N successive elements. The result is an array.

    Description

    Calculates the sum of all the elements in the input array, or the sum of every N successive elements in the input array.   

    Example 1

    Expression: SUM( arg1 )

    arg1 11 7   3 5 6

    Result: 33 

    Example 2: (sum by every 2 elements) 

    Expression: SUM( arg1; 2 )

    arg1 11 7   3 5 6
    result 18  8  

    Related Examples

    Windows Forms: Data Manipulation\Functions\Sum of Data Items