Abacus             { ; Fractal of the day, 09-09-00 Rating (6)
                     ; time=0:07:12.26 -- SF5 on a P200
                     ;  Version 2000 Patchlevel 15
  reset=2000 type=formula 
  formulaname=MandelbrotMix4 function=recip passes=1
  center-mag=-1.761983653717536/+16.05757282768079/772\
  83.86/1/-72.5 params=-1/-11/-11/-1.08/0/800 float=y
  maxiter=900 inside=0 logmap=133 periodicity=10
  colors=000LlxNqxPwwQzwRvrRqoRlkTggTcdTZ_<2>UKPUGLUAI\
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  eWUh`amehqjpvowyjsueqp`okWlfRhaNfZ<2>8ZK3WG0UA0R70`9\
  1jC5sE7zH9yEAvDCsADp9Em7Gj6Hg3Id2Ja1<3>e_PjZVpZ`uZep\
  `f<3>ajkZllUom<2>JvqGxrCzrGxoIvkLuhOreQpaUo_<3>dfNfd\
  JjcHl`Do_Ap`DpaGpcIpdJpeLqeOqfQqgRqhUqjWrjZrk_rlarmd\
  rofrogmmjhlkell`kmYjpTjqPhrKhsHgvCfw8fx3ey0ez1cz1az2\
  `z2_z3Wz3Uz<4>RGzWDz`Az<3>s0zx0zz0zz0zz3z<3>zLzzPzzU\
  zzZzzaz<3>zAzzDz<4>zJzzKzzNz<3>zRzzTzzUzzVz<4>zEz
  }

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
}