Quadratrix
As quadratrix (also Quadratix ) refers to curves, with the help of an area equal to a given circle square can be constructed. In addition to the quadratrix itself or a device that they recorded, this usually only ruler and compass as design tools are allowed ( see also squaring of the circle ).
More generally referred to a curve by which a square area of the same can be constructed to be limited by a (not polygoniale ) cam surface as quadratrix. The quadratrix is therefore a curve which allows the (exact ) quadrature such a surface.
Examples:
- Quadratrix of Hippias
- Quadratrix of Tschirnhaus
- Quadratrix of Ozanam
- Kochleoide