How to Solve for total number of periods when you know PV & FV in Microsoft Excel

As you might guess, one of the domains in which Microsoft Excel really excels is finance math. Brush up on the stuff for your next or current job with this how-to. In this tutorial from everyone's favorite digital spreadsheet guru, YouTube's ExcelIsFun, the 23rd installment in his "Excel Finance Class" series of free video lessons, you'll learn how to solve for the total number of periods when the present and future values are known to you.