A quartic curve that resembles the symbol for the zodiacal sign Capricorn given by the implicit equation
 |
where 
, 
. The curve plotted above corresponds to 
, 
.
This curve has a tacnode at the origin and a crunode at 
.
SEE ALSO:Crunode, Links Curve, Quartic Curve, Tacnode
This entry contributed by Margherita Barile
REFERENCES:
Shikin, E. V. Handbook and Atlas of Curves. Boca Raton, FL: CRC Press, pp. 98-100, 1995.
