Add Yahoo as a preferred source to see more of our stories on Google. If you have three or more rows of data, chances are, you'll need to summarize those values in some way. Summarizing is one of the ...

Microsoft Excel PivotTables do a great job of turning data into meaningful information, but they have one flaw: You can’t easily add grand total rows. Microsoft Excel PivotTables are a great way to ...

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 ...