Finding Internal Rate of Return

You can use MathML to find internal rate of return by using the following syntax:

<Calculation>
  <Expression className="PacificEdgeSoftware.Data.Calculations.Programmatic
     .InternalRateOfReturnWithGuess30,SerenaSoftware.Data" />
  <RHSVariable name="cMonthly-Discount-Rate" identifier="rate" />
  <RHSVariable name="%RangeCalculation%NPV%Cost-Total%CURRENCY%CALENDAR_MONTH
     %StartMS%END%" identifier="costs" />
  <RHSVariable name="%RangeCalculation%NPV%Benefits%CURRENCY%CALENDAR_MONTH
     %StartMS%END%" identifier="benefits" />
</Calculation>