Church_Window      { ; Fractal of the day, 22-12-00 Rating (6)
                     ; time=0:06:00.00 -- SF5 on a P200
  reset=2001 type=formula 
  formulaname=MandelbrotMix4 function=recip passes=1
  center-mag=+0.50906377629614/+0.665496317395552/7.42\
  1096e+007/1/-7.499 params=21/-1.21/1.2/-12.1/0/4900
  float=y maxiter=1400 inside=0 logmap=82 periodicity=9
  colors=000B00EB0D80D70D40D30D00D00A00<2>E00F00F00H22\
  I32J33J43K63M74N74N86OA6QB6RB7RD7SE8UF8VF8VHAXIAYJBZ\
  JBZKB_MDaNDbNEbOEcQEeQFfRFgSHgUHiUHjVIkXIkYJmYJnZJo_\
  KoaKqaMrbMscMseNueNvfOwgOwiOyiQzjQzkRzmR<2>zuSzwMzuS\
  zoYzgbyVgvNnuHsr8yo2zm0z<3>n0zn0zo2zo3zo3zo4zo6zo7zq\
  8zqAzqBzqBz<4>rIzrJzrJz<3>sOzsQzsRzuSzuSz<2>uXzuYzvZ\
  zv_zv_z<4>wfzwgzwgzwizyjz<3>yozzqzyoz<3>sjzrizqgz<2>\
  mczkbzjbziazg_zgZz<3>bUzaSz_RzZQzYQz<4>RJzQIzQHzOFzN\
  EzMDz<3>HFzFFzEHz<3>8Jz7Jz6Kz7Kz7Mz<3>7Oz8Oz8Qz<2>8R\
  z8SzASzAUzAUzAVzAVzAXz<4>BZzB_zB_zDaz<3>DczDczEez<3>\
  EgzEgzEiz<3>EkzEkzEmz<3>EozEozEqz<2>ErzEszEuz<2>EyzE\
  zzEzz<10>DzzDzzDzzDzzDzzDzzBzz<3>BzzEzzEzz
  }

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
}