Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Learn how to calculate the Simple Interest in Excel either for a single entry or a range or entries, between two dates, using this forumula.

Learn how to calculate the discount rate in Microsoft Excel, what the discount factor is, and how the discount rate and discount factor compare.

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

How to Calculate Negatives in Excel. Microsoft Excel has the ability to automatically recognize a positive or negative number that you enter in a cell. However, if an incorrect format is selected ...