Semaj_Trebla       { ; Fractal of the day, 04-04-98
                     ; 30min on a 486-100, 640x480
  reset=1960 type=formula 
  formulaname=MandelbrotMix4 passes=t
  center-mag=-1.00137610849061500/+0.00000078739653370/1.9\
  74217e+010 params=1/1000/-1/999.9993 float=y maxiter=6000
  bailout=25 inside=0 logmap=yes symmetry=xaxis
  periodicity=10 colors=0006YW<9>4XXnXRmYUmZXhJFVMTHOe<7>f\
  f0<7>EWJxV4<4>qinplwmkp<6>_i4<2>LcKGbPDXXBSd9Nk<5>g5g<2>\
  8Ov<3>u0j<7>n3i<3>aDV<2>lDf<3>9yn9pa9hPBb_CXjDRt<5>P3nR0\
  nV4j<3>iIVlLSnSN<3>sq3wiJ<7>`76<7>Iqo<4>Ajj<2>pAo<2>3oYP\
  eNjWD<4>OjC<5>NiD0UaNiD<93>7ZUP5LT5PX5S<4>AUW
  }

frm:MandelbrotMix4 {; Jim Muth
c=pixel, 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:
z=(a*(z^b))+(d*(z^f))+c,
|z| <= 100
}