Doesn't work really well in java; it blocks the question. It asks you for the a, b, and c in "ax^2 + bx + c". Go math :P Enter the Quadratic Coefficient, Linear Coefficient, and Constant/Free Term (the a, b, and c in "ax^2 + bx + c") and it will graph the parabola. It will also give you the Axis of Symmetry, the vertex and the zero(es). Please note: in a parabola, a cannot equal 0. Comments are greatly appreciated.