Please hold shift+click on the green flag to use turbo mode. (otherwise it is very laggy) You know the standard equation for quadratic graphs: y=ax^2+bx+c? Well this graphing tool is pretty limited as it only allows for this kind of line - you just use the sliders to edit the values of the a, b, and c in the equation. Controls: Drag to move around Use the slider to zoom in and out.
Thank to my maths teacher who gave me the idea for this and let me do it in the lesson. Otherwise, credit to Me for doing all the hard work.* *and I suppose a bit of credit to my friend who helped a bit