@Test
 public void TestParse() {
   String Quadratic = "x^2+2x+3";
   MyDouble a = new MyDouble(1);
   MyDouble b = new MyDouble(2);
   MyDouble c = new MyDouble(3);
   QuadraticEquation TestQuad = new QuadraticEquation(a, b, c);
   assertTrue((QuadraticEquation.parseQuadratic(Quadratic)).equals(TestQuad));
 }