If you track your daily earnings using an Excel spreadsheet, you can use the same spreadsheet to estimate your projected earnings over any time period. Using Excel's "AVERAGE" function, you can ...

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.

Learn how to calculate Average, Minimum and Maximum in Excel. We show you how to use MIN, Max, and AVERAGE Functions in Excel.

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.

Save this for the spreadsheet jocks in your office—we'd bet even the experts don't know all of these formula tips.

Learn about the weighted average cost of capital (WACC) formula in Excel and use it to estimate the average cost of raising funds through debt and equity.