Ampersand Curve

$\begin{figure}\begin{center}\BoxedEPSF{AmpersandCurve.epsf scaled 750}\end{center}\end{figure}$

The Plane Curve with Cartesian equation

$\begin{displaymath} (y^2-x^2)(x-1)(2x-3)=4(x^2+y^2-2x)^2. \end{displaymath}$

References

Cundy, H. and Rollett, A. Mathematical Models, 3rd ed. Stradbroke, England: Tarquin Pub., p. 72, 1989.