It's easy to add a set of numbers together — every spreadsheet user knows how to use the tried-and-true SUM function to find a total. But what if the sum you're trying to find depends on some sort of ...
Summing only the positive or negative values in the same range of values only sounds difficult. Fortunately, the SUMIF() function can handle both. Summing only the negative values in a range of values ...
Move beyond the basics of sums and averages. These tips open up all kinds of opportunities for working with spreadsheet data. Editor’s Note: This article was originally published in Sept. 2012 and the ...
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