Q. I was excited to see the article about ways to calculate depreciation in Excel, especially when I saw one of them was double-declining balance (DDB). As tax professionals, we’re always trying to ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Begin with the following formula:=PV*(1+R)^NEither write this formula in an Excel spreadsheet cell or elsewhere for reference. Enter the present value in an Excel spreadsheet cell in place of "PV," ...

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 -- of a variable, typically sales. For example, a beachfront ...