Fractal_Gravel     { ; Fractal of the day, 02-09-00 Rating (4)
                     ; time=0:02:12.02 -- SF5 on a P200
                     ;  Version 2000 Patchlevel 14
  reset=2000 type=formula 
  formulaname=MandNewt06 passes=1 center-mag=3.72818/0\
  .918613/0.1499947 params=-2/-1/-0.5/0.5/1/2 float=y
  maxiter=100 inside=bof60 logmap=yes periodicity=0
  colors=000vHOtIOsLOpOOnQOkTOiUOgXOdYOc`O`cOYdOWgOUhO\
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  sYzqXzqXzqX<2>xpWuoWtoWsoWpoWonUnnUknUilU<2>dkTckT`k\
  T_kTYiRWiRUiRThRQhROhQNgQKgQIgQHgQzFp<2>yEnxEnvElvEl\
  uEktCktCksCiqCi<2>oCgoCgnAglAflAfkAdiAdiAchAcg9cg9af\
  9ad9`d9`c9_a9_a9_gCc<3>yNszQvzTzzWzzXz<3>zgzzizzkzxn\
  zupzsszouzlxyiyygzxdzxazv<2>UzuXzt<2>`zsazsdzq<2>hzp\
  izplzp<2>pzoqzntznuznvzlxzlyzlzzkzzkzzkzzi<3>zzhzzhz\
  ygyugxqgulgthfsdfp`foXfnTdkNd<3>d4cc0ca0cc2`d9_dFYfL\
  XfRWgXUhcThhRinQisOkxNkzLizOhzQgzTgzUfyWzaN<6>zIOzFO\
  zCQz9Qz5Qz2Qz0Qz4O<3>yEO
  }

frm:MandNewt06 {; Jim Muth
z=c=(pixel*p1):
a=z^3+(c-p2)*z-c
b=p3*z^2+c-1
z=z-1*a/b
.000000000000000000000000000001 <= |a|
}