Q. I have prepared projections for a proposed project, and I want to calculate the internal rate of return. Instead of using Excel’s IRR function, should I use simple math formulas so others can ...

Here’s how to use the formula to your advantage.

Giselle M. Cancio has over 10 years of editorial experience and content development in personal finance, education, travel, and sports. Her work has been published on NerdWallet, the Associated Press, ...