ATOMFT ver. 3.11, copyright(C) 1979-93, Y. F. Chang.
           -----------------------------------------------------


COPTION DOUBLE,DUMP=1
      DIFF ( Y , X , 1 ) =  TAN (2.0 * X + 3.0 )
   $
   $
      MPRINT = 2
      NSTEPS = 1000
      START = -1.0d0
      END = -0.9d0
      DLTXPT = 0.01d0
      Y(1) = (DLOG(1.0d0 + (DTAN(2.0d0 * START + 3.0d0) ** 2))/4.0d0)
      WRITE(LIST,120) START,END,DLTXPT,Y(1)
  120 FORMAT(8F16.10)
   $
   $
          ATOMFT completed