### - r -

- raise() : Number
- rationalPolynomial() : Argument
- realPart() : Number
- recip() : Number
- refcount() : ExpressionItem
- representsPositive() : DynamicVariable , KnownVariable , NowVariable , TodayVariable , TomorrowVariable , UnknownVariable , Variable , YesterdayVariable
- reset() : Calculator
- resetFunctions() : Calculator
- resetUnits() : Calculator
- resetVariables() : Calculator
- restoreState() : Calculator
- RPNStackEnter() : Calculator