Ramphoid Cusp

Author

Eric W. Weisstein
December 17, 2008

This notebook downloaded from http://mathworld.wolfram.com/notebooks/PlaneCurves/RamphoidCusp.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/RamphoidCusp.html.

©2008 Wolfram Research, Inc. except for portions noted otherwise

Plot

ContourPlot[(x^4)+(x^2)(y^2)-2(x^2)y-x (y^2)+(y^2),{x,-2,2},{y,-2,2}]