Fill it with color to differentiate it from other cells. This is the simple way to calculate sporadic totals in Excel.

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

The payback period is the amount of time needed to recover the initial outlay for an investment. Learn how to calculate it with Microsoft Excel.

Calculate the standard deviation of the historical returns compared to the mean determined in Step 3. In Excel, this can be achieved by using the STDEV function.

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Calculating the return One of the best methods for calculating an average return for a stock investment is the XIRR function in Excel.

Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

How to Use Excel to Calculate the ROI on a Product. "Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you ...

How to Calculate a Model in Excel. Mathematical models are a way to attempt to predict the probable outcome of a complex situation. From climate, stock market and physics models, you can use ...

Adding a running total to a simple Microsoft Excel revenue sheet isn't difficult, but adding a conditional running total will require a bit more effort. Solutions are simpler than you might think.