Code of Sum

By Kardi Teknomo, PhD.

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How do we code Sum in a program?

Here is how to make sum Function in programming code (VB style)

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

See Also: Kardi Teknomo's Tutorial

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Comments for this tutorial

This tutorial is copyrighted.

Preferable reference for this tutorial is

Teknomo, Kardi. Summation Tutorial. http://people.revoledu.com/kardi/tutorial/basicmath/sum/