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

How to Calculate Multiple Cells in Excel. Microsoft Excel is a spreadsheet program used to store and analyze data. While Excel is able to hold both text and numerical data, most of the pre ...

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.

Fortunately, Excel offers a built-in function, DATEDIF, which makes it easy to calculate elapsed calendar time.