public T Subtract(T a, T b) { Operation.Calculation calculation = Expression.Subtract; return(operation.Act <T>(a, b, calculation)); }
public T Multiply(T a, T b) { Operation.Calculation calculation = Expression.Multiply; return(operation.Act <T>(a, b, calculation)); }
public T Divide(T a, T b) { Operation.Calculation calculation = Expression.Divide; return(operation.Act <T>(a, b, calculation)); }
public T Sum(T a, T b) { Operation.Calculation calculation = Expression.Add; return(operation.Act <T>(a, b, calculation)); }