PARABOLA     

     A Parabola is geometrical position of points, which are situated at regular intervals 
      from a given (constant) point F and a given (constant) straight line LL.

  Layout of the dimensions
 
      

 

 
 P=  mm.                
 X1 =  mm.
  X2 =  mm.
 
  Number of points  N =  according to which it is plotted


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