How to Calculate a Trimmed Mean in Excel. A trimmed mean is much like a standard mean, which you can derive in Excel using the AVERAGE function. However, instead of using all of the data points to ...

If you wish to calculate the GPA or Grade Point Average in Microsoft Excel or other Excel editor, you can use this formula.

With Excel and data from your broker, however, calculating the average return is fairly easy using the XIRR function. How to calculate average stock returns in Excel ...

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Find out more about the forward price to earnings ratio and how to calculate the forward price to earnings ratios of companies in Microsoft Excel.

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.