### Parabola by Focus and Directrix

This mode constructs a parabola defined by its focus and directrix. To define the parabola simply a point and a line must be selected.

#### Synopsis

A parabola is constructed from a focus and directrix.

#### See Also

- Ellipse by Foci
- Hyperbola by Foci

Page last modified on Wednesday 27 of July, 2011 [14:05:04 UTC].
The original document is available at http://doc.cinderella.de/tiki-index.php?page=Parabola%20by%20Focus%20and%20Directrix