public void FindSqr_NumberMinus125Degree3_ReturnedMinus5()
        {
            //arrange
            double number   = -125;
            double n        = 3;
            double e        = 0;
            double expected = -5;
            //act
            double actual = NewtonSqr.FindSqr(number, n, e);

            //assert
            Assert.AreEqual(expected, actual);
        }
        public void FindSqr_Number16Degree4_Returned2()
        {
            //arrange
            double number   = 16;
            double n        = 4;
            double e        = 0;
            double expected = 2;
            //act
            double actual = NewtonSqr.FindSqr(number, n, e);

            //assert
            Assert.AreEqual(expected, actual);
        }