r193	Schröder point, Weill point,Bevan-Schröder point, Bevan point,point X(65), point X(55), point X(56)
r194	incircle, circumcircle, inverse points, perspective
r195	centroid, incenter, circumcenter
r196	orthocenter, incenter, circumcenter
r659	Simson line, incenter, incircle
r878	antiorthic axis
r1066	isogonal points
r1282	Mandart ellipse, perspector, circumconic, incenter
r1336	circumcircle, MacBeath conic, centroid, orthocenter, circumcenter