Let me see if i can show you the difference. Name a cell in a spreasheet
with the label "Product". Enter a few figures above it. In the end enter
the formula =sum(Product). You will have the sum of the figures you
entered.

In another cell enter the formula =Product+1. The result will be 1. Now
enter the figure 1000 in anoter cell and name it "Zidane". In another
cell enter the formula =Zidane+1. The result will be 1001.

See the difference?

Hope it helps.


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oteixeira
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