math - Incremental Numbers from list, Excel -

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I am trying to write a formula in Excel which checks the list of non-numbers and for incremental amount Gives a value, so if I have a list of three items: cups, mugs, the glasses will return: 6 (1 + 2 + 3)

If I have eight items: cup, mug , Glasses, plates, coaster, chairs, tables, laptops will return: 36 (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8)

I am trying to do this This one single Use returns the value of x to = Kountena, of course, but something was different things stuck after I tried a math specialist there?

So you want? The formula is (n * (n + 1)) / 2, where n is the number of objects.


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