The formula for calculating savings account interest uses the initial deposit, the annual interest rate and the years of ...

IRR measures the rate needed to break even on an investment. Calculate IRR by setting NPV to zero and solving for the discount rate. Use Excel's IRR function by inputting initial cost and cash inflow.

ROI is an important measure of an investment's performance but it has some drawbacks. Andrew Beattie was part of the original editorial team at Investopedia and has spent twenty years writing on a ...

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 ...