The Quadratic Equation Plus has Graphing capabilities, a Formula doc and a YouTube video tutorial. This app takes in the coefficients of quadratic equation as its input and calculates the following 1. Discriminant of the quadratic equation 2. Nature of the roots 3. Roots 4. Sum of the Roots 5. Product of the Roots 6. Vertex of the Parabola (Quadratic function) 7. Axis of Symmetry of the parabola(quadratic function) 8. Absolute Maximum or Minimum of the function.