Jack_in_the_Spiral { ; Fractal of the day, 09-01-99
                     ; 30min on a 486-100, 640x480
                     ;  Version 1961 Patchlevel 40
  reset=1961 type=formula 
  formulaname=MandelbrotQud center-mag=-9.535783604301\
  61900/+0.08830807596371273/4198.471
  params=0.5/-0.2/0.01/4/-4.9792868827/0 float=y
  maxiter=600 bailout=25 inside=bof60 logmap=46
  symmetry=none periodicity=10
  colors=00000K<15>00Z<3>00Q<2>00R30S<2>I0aN1dS3jV4pY2\
  ra1td0wf4zg8zfBzdFycIvaMr`Pj<5>nfIphEqiG<4>vjPwjQwjS\
  wjUsjV<6>Zk9Wk6Vk3Uk0<8>2gh<13>6Q56P39O4<12>kH8<7>F4\
  r<8>NQo<4>uRV<6>hXZ<3>`OC<10>pBj<5>iPn<3>JsA<10>6ncC\
  tNIz7<13>XK1<7>ClM<6>NbY<8>xYW<9>e3l<13>xzI<10>mYl\
  <3>T_BSYVVEK<2>dXB
  }

frm:MandelbrotQud {; Jim Muth
z=p3, c=pixel,
a=real(p1), b=imag(p1), d=real(p2), f=imag(p2):
z=sqr(z)+(.2*(z*z*z))+(a*(z^b))+(d*(z^f))+c,
|z| <= 100
}