public AbstractCalculatorState(CalculatorStates state) { this.mState = state; }
public EquateState(CalculatorStates Calculator) : base(Calculator) { }
public ClosedParenState(CalculatorStates Calculator) : base(Calculator) { }
public UnaryOperatorState(CalculatorStates Calculator) : base(Calculator) { }
public OperandState(CalculatorStates Calculator) : base(Calculator) { }