When calculating time intervals in Excel, you are looking for the time that has passed between two given sets of time. Because Excel converts dates and times into numbers behind the scenes, ...

What Is a Payback Period? The payback period is the amount of time (usually measured in years) it takes to recover an initial investment outlay—as measured in after-tax cash flows. For example, if a ...

Whenever you change something on a Microsoft Excel 2010 spreadsheet, the program will recalculate some of the cells in the worksheet, even some of those that did not change. Normally, Excel operates ...

Have you ever stared at a spreadsheet, struggling to make sense of percentage calculations that just don’t seem to add up? Whether it’s a confusing formula, a misstep with zero values, or an ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...