

Tangents are drawn from the hyperbola (x/a)^2(y/b)^2=1 (shown in red). At the points where the tangents intersect the X and Y axes, lines are drawn ...



The Devil's curve is the locus of the equations shown below.



Folia (plural of "folium"; shown in blue) are the pedals of the deltoid (shown in red).



The Hippopede is the locus of the equations shown below.



The Kampyle of Eudoxus is the locus of the equations shown below.



The Piriform is the locus of the equations shown below.



The Cardioid is a onecusped epitrochoid. It is also the conchoid of a circle with respect to a point on the circle's circumference.



The Cruciform is the locus of the equation shown below.



