20070201
  u   To calculate the  center and  radius   [G-SLV]-[CNTR]/[RADS] 
  
  Example  To determine the center and radius for the circle 
    (X + 2)
 2
  + (Y + 1)
 2
  = 2
 2
 
    Use the following V-Window settings.
    Xmin = –6.3,  Xmax = 6.3,  Xscale = 1
    Ymin = –3.1,  Ymax = 3.1,  Yscale = 1  (initial defaults) 
  
  m  CONICS
  cccc w 
  - c w- b w c w6 (DRAW)
  !5 (G-SLV) 
  1 (CNTR)
  (Calculates the center.)
  
  
  
  !5 (G-SLV)
  2 (RADS) 
  (Calculates the radius.)
  
  
  
  
5-11-19
Function Analysis