Microsoft Excel 2007 supports a variety of chart types to create a combination chart and help your viewers see the differences between two or more data series. For example, one data series in a line ...

In a Microsoft Excel spreadsheet, you may have formulas sitting in one cell that require the information within another cell in order to calculate. These relationships are called references. When a ...

Microsoft Excel is designed to alert users whenever a circular reference is causing problems. Folks who are unable to spot the error can take full advantage of the ...

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...