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 ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over 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 ...