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

Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates.

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

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

By calculating a company's weighted average number of outstanding shares, we can get a more accurate picture of its earnings.