//
   // Datei:    gebrochen-rationale_funktion.script
   //

   // Systemvariablen 
   // ===============

   WORLD_X_MAX   = +6.0
   WORLD_X_MIN   = -6.0
   WORLD_Y_MAX   = +4.0
   WORLD_Y_MIN   = -4.0
   MEASURE_EXACTNESS = 2

   // Figurenbeschreibung 
   // ===================

   e[1]  = O;  point;   fixed;          0.0,0.0;                              "hidden"  
   e[2]  = K;  point;   coordSystem;    O,300,300,200,200; 
   e[3]  = a;  measure; controller;     0.5,0.05,-4.0,4.0,200,"a = ","";
   e[4]  = p;  line;    curve;          "t","1/(t^2+calculate(a))",-6.0,6.0,250;