public void ClassInitialize()
 {
     separationEquation   = new ArithmeticSeparationEquation();
     calculationEquation  = new ArithmeticCalculationEquation();
     calculatorRepository = new CalculatorRepository(separationEquation, calculationEquation);
 }
 public CalculatorRepository(ISeparationEquation separationEquation, ICalculationEquation calculationEquation)
 {
     this.separationEquation  = separationEquation;
     this.calculationEquation = calculationEquation;
 }