Home page  Catalogue  Classes  Tables  Glossary  Notations  Links  Bibliography  Thanks  Downloads  Related Curves 

An inversible cubic iK is a focal cubic if and only if its pivot is the reflection of H = X(4) in one sideline of ABC. Hence, there are three such cubics. The figure above shows K110A with pivot A' reflection of H in BC and singular focus F inverse of Ha in the circumcircle. 
