public void Multiply_Accumulator(double a, double b, double c, double result, double tolerance)
        {
            var uut = new CalculatorUnit();

            uut.Multiply(a, b);
            Assert.That(uut.Multiply(c), Is.EqualTo(result).Within(tolerance));
        }
        public double Multiply(double a, double b)
        {
            var uut = new CalculatorUnit();

            return(uut.Multiply(a, b));
        }
        public double Multiply_Accumulator_OneParameter(double exponent)
        {
            var uut = new CalculatorUnit();

            return(uut.Multiply(exponent));
        }