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 ...

Real rate of return adjusts for inflation, providing a true growth measure. S&P 500's real rate is 7.9%, versus a nominal 11.8%, due to inflation. Using real rates in retirement planning ensures ...

The rule of 72 is a shortcut investors can use to determine how long it will take their investment to double based on a fixed annual rate of return. To use the rule of 72, divide 72 by the fixed rate ...