Uses Standard form for a Quadratic(y=ax^2 + bx + c) to graph a parabola. Press A to set a Press B to set b Press C to set c Press D to clear the board Press Space to make grapher go to (-220,0) so you can graph another line.
All numbers must not contain commas. Any decimals must have a zero at the beginning, e.g. 0.5266332. Negatives do work.
