Master R-Squared calculation in Excel. Get formula tips, expert advice, and avoid errors for precise financial analysis.

"Return on investment" is a financial calculation used to gauge how well the money you invest earns you even more money. To calculate ROI you divide the earnings you made from an investment by the ...

Q: I found an anomaly with a rather simple Excel computation; specifically, Excel calculates 111,111,111 times 111,111,111 to equal 12,345,678,987,654,300, which is ...

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 ...

To avoid problems with your employees or the government, your company payroll spreadsheet should not only be accurate, but it should also comply with all federal and state laws. For example, your ...

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, ...