SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

In this table, we want to calculate the number of mangoes sold. We are going to click the cell where we want to place the result. Then type in the cell =SUMIF ( We are going to look for the Range. In ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

You can sum up entire columns or rows in Microsoft Excel using the AutoSum feature. The AutoSum tool automatically selects a column or row of numbers, but you can select any set of numbers by clicking ...

Excel is the best piece of software ever made. We've talked a lot about basic formulas and advanced tricks that will make you way better at the program, but we've been remiss and forgot about our ...

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 ...

You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of your worksheet. The sum of a column of zeros ...