Ferndale           { ; Fractal of the day, 07-07-00 Rating (6)
                     ; time=0:02:12.42 -- SF5 on a P200
                     ;  Version 2000 Patchlevel 9
  reset=2000 type=formula 
  formulaname=MandelbrotMix4 function=recip
  passes=1
  center-mag=-3.15202487684002900/+1.00536788746322700\
  /6611.272/1/-25 params=1/1/10/-10/0.15/0 float=y
  maxiter=1200 inside=0 logmap=27 periodicity=10
  colors=000000CDE<5>IJK<3>MNOOOPQPQ<3>YTU_UVbVW<2>kYZ\
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  IxoDzpAxlDsgFocIj_JfVM<3>PDVL9XG3XI4YI4YI4_I4_I6`<2>\
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  DvAGuFJsIMrMQpQToVXlY_jaaiffgjifmldroavr`zv_zyY<2>zz\
  TzzSzzSzzSzzQzzQ<2>xzPuzPsyPpyPozOlzOjzOpzD<3>OzrGzz\
  9zzAzzCzzCzzDzzFzzFzzGzzIzzIzzJzzLzyLzxMzvOzuOzsPzsQ\
  zrQzpSzoTzmTzlVzjXziXziYzg_zf<2>azaaz`cz__zVcz_gzalz\
  f<2>yzpzzszzxzzvzzuxzs<5>YzjTziPzg<3>7zaCzc<3>OziSzj\
  Vzj<3>gzpjzrmzspzsszuxzvzzxzzy<2>zzzzzzzzyzzvzzu<2>x\
  zmuzjrzgozfmzcjz`gz_fzXczT`zSYzPXzMTzLQzIPzFMzDJzAGz\
  7Fz6Cz39z00z07z0<2>Yz1fz1oz3xz3CzQ7zO4zM1zJ0zI0zF
  }

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
}