Table P-X
Perspectors.
Points available at the Kimberling's Encyclopedia ETC.
The ETC version: The 5549 points version of 2013.
The "Discoverer" database version: October 2013.
Last update: 2014-03-18

      Role     Kimberling Notation  
  1     Perspector and Homothetic Center of the Euler Triangle of the Incenter and the Outer Yff Triangle     X(1)   Incenter  
  2     Perspector and Homothetic Center of the Euler Triangle of the Circumcenter and the Outer Yff Triangle     X(55)   Internal Center of Similitude of Circumcircle and Incircle  
  3     Perspector and Homothetic Center of the Euler Triangle of the Orthocenter and the Outer Yff Triangle     X(1478)   Center of the Inner Johnson-Yff Circle  
  4     Perspector and Homothetic Center of the Euler Triangle of the Nine-Point Center and the Outer Yff Triangle     X(495)   Johnson Midpoint  
  5     Perspector and Homothetic Center of the Euler Triangle of the Symmedian Point and the Outer Yff Triangle     X(611)    
  6     Perspector and Homothetic Center of the Euler Triangle of the de Longchamps Point and the Outer Yff Triangle     X(4302)    
  7     Perspector and Homothetic Center of the Euler Triangle of the Bevan Point and the Outer Yff Triangle     X(5119)    
  8     Perspector and Homothetic Center of the Euler Triangle of the Center of the Fuhrmann Circle and the Outer Yff Triangle     X(5252)