Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Gordon Scott has been an active investor and technical analyst or ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don’t fret over a complex expression when you can easily remove those duplicates.