Excel Formulas and Functions: Step-By-Step Guide with Examples by Adam Ramirez
12,16 €
The basis of Excel lies in formulas and functions, used for storing data and retrieving it, for doing calculations, and for analyzing data, all in one simple grid format. Given that there are more than 400 functions alone and not much less in the way of formulas, I couldn't possibly go over every single one of them.
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