Purplebrot         { ; Fractal of the day, 25-01-01 Rating (5)
                     ; time=0:15:44.33 -- SF5 on a P200
  reset=2001 type=formula 
  formulaname=MandelbrotMix4 function=ident passes=1
  center-mag=-7.440977756776993/+10.4626220731752/7725\
  03.5/1/-112.5 params=1.23/-0.98/-1.24/-0.89/-300/300
  float=y maxiter=2100 inside=0 logmap=244 periodicity=10
  colors=0003hH3hH3hH3hH3fH<3>3eI3eI3eI3eI3eI9bHM`HZYH\
  <3>dXMeXOfXPhVP<3>mVUnVVuXXrVVoVVnVUkUUiUUhUTeTTdTTa\
  TSZSSYSQVSQTQQSQPPQPMQQOQP<2>OQOPQOPQM<3>QQLQQLQQKQQ\
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  33943A63B73DA3EB3GD4HE6IG7LI9MKAOLAP<2>QETSGUTHXUHYV\
  IZYK`<2>aOdZMhaOfbOedPdePbhQbiQajS`kSZnTZ<2>rUVlXbsU\
  VkQPmMgVIAYLDgMGaPI<4>iXVkZYm``obbqderehuhjvimwjozmr\
  znuzmzznzzowzqsxrovskuuhrvdqv`nqZ<4>aXZZSZXOZUKZSEZP\
  AZM6ZI3fK3bK3ZK4XL9T<2>LKIMOEMQBMU7OY3O`3Od3Of3Pe3Qe\
  3Se4<3>VdHVdKXdOYdQZdUZdX`bZabbbbebbhdbkebnbUudZr<2>\
  hjminkiqk<2>jsjjsjjuj<3>kwjkwjkxikxikzi<3>qzirzisziu\
  zivzhwzhzzfzzfzxezwezwdzvdzubzubzsbzrazrazu`zw`zzZ<3\
  >zzXzzXzzY<3>zzXzzXzzXzz`<7>zz4zz3
  }

frm:MandelbrotMix4 {; Jim Muth
a=real(p1), b=imag(p1), d=real(p2), f=imag(p2),
g=1/f, h=1/d, j=1/(f-b), z=(-a*b*g*h)^j,
k=real(p3)+1, l=imag(p3)+100, c=fn1(pixel):
z=k*((a*(z^b))+(d*(z^f)))+c,
|z| < l
}