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

Most analysts use Excel to calculate NPV. You can input the present value formula, apply it to each year's cash flows, and then add together each year's discounted cash flows, minus expenditures ...

How to Use Microsoft Excel to Calculate Seasonal Indexes. A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand ...