It is one of the most common of Excel functions, SUM. You think you know everything about this function? Think again! This function has been improved upon by Microsoft. There are new tricks and tips that let you sum data based on other values. Not only covering SUM, this book also covers SUMIF, SUBTOTAL and shows you how to use each in plain English with no tech talk.
Excel for normal people. You don't need to be a programmer or mathematician to use Excel!
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