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How do we code Sum in a program?
Here is how to make sum Function in programming code (VB style)
Sum Function
Function Sum (array() as Double, firstIndex as Integer, lastIndex as Integer) as Double
Return summation of numbers in the array specified by firstIndex to lastIndex
Dim k as Integer declare the counter
For k = firstIndex to lastIndex
Sum=Sum + array(k)
Next k
End Function
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See Also:
Kardi Teknomo's Tutorial
This tutorial is copyrighted .
Preferable reference for this tutorial is
Teknomo, Kardi (2015) Summation Tutorial. http://people.revoledu.com/kardi/tutorial/BasicMath/Sum/