Parabola Command
From GeoGebra Manual
- Parabola( <Point>, <Line> )
- Returns a parabola with focal point and the line as directrix.
- Example: Let a = Line((0,1), (2,1)).
Parabola((3, 3), a)
yields x² - 6x - 4y = -17 .
Note: See also Parabola tool .