## Parabola by Focus and Directrix

This mode constructs a parabola defined by its focus and directrix.

### Synopsis

A parabola is constructed from a focus and directrix.

### See also

- Ellipse by Foci
- Hyperbola by Foci

Page last modified on Tuesday 06 of December, 2005 [00:00:05 UTC].
The original document is available at http://doc.cinderella.de/tiki-index.php?page=Parabola%20by%20Focus%20and%20Directrix