public void evalTestEval()
        {
            Parser_Accessor target = new Parser_Accessor(); // TODO: Initialize to an appropriate value
            String input;
            double expected;
            double actual;

            try
            {
                input = "6*x^2";
                target.inputFuntion(input);
                expected = 24F; // TODO: Initialize to an appropriate value
                actual = target.evalFuncAt(2);
                Assert.AreEqual(expected, actual);
                Console.WriteLine("e: " + expected + " a: " + actual);

                input = "sin(PI/2)";
                target.inputFuntion(input);
                expected = 1F; // TODO: Initialize to an appropriate value
                actual = target.evalFuncAt(5);
                Assert.AreEqual(expected, actual);
                Console.WriteLine("e: " + expected + " a: " + actual);

                input = "5*x+2";
                target.inputFuntion(input);
                expected = 7F; // TODO: Initialize to an appropriate value
                actual = target.evalFuncAt(1);
                Assert.AreEqual(expected, actual);
                Console.WriteLine("e: " + expected + " a: " + actual);

            }
            catch (Exception ex)
            {
                Assert.Fail(ex.Message);
            }
        }