Mandelbrot_Arcs    { ; Fractal of the day, 05-04-98
                     ; 5min on a 486-100, 640x480
  reset=1960 type=formula 
  formulaname=mandelbrotmix4 center-mag=-0.345531/4.44089\
  e-016/1.061686 params=1/100000/1/2 float=y maxiter=12000
  bailout=25 inside=0 passes=t logmap=yes symmetry=xaxis
  periodicity=10 colors=000IJOHIMGHKFJMELTDSPCPRBQTAaV9UW\
  8WYp3u8XZFY`LZzSZe<2>kaktYn<4>hnliyq<3>ZXYWdTUfORdJPiNO\
  dSMeWKe_J`dHeh<6>Gb_GbZGbXFbWFcVFcTFdSFeRGdHGdQFdZFbg<1\
  1>3kvCjp2kw<12>YkR_kObjN<14>PoHHo9PoHVqO<13>_a__``_a`__\
  `Hbx<9>QgmRglRhm<12>RZUGZ_QZS`hdjrp<6>bcXaaUaaR<6>VUYQU\
  `TTY<3>yfc<15>9O9<3>rKVjJPbIJWFE<9>TdBTgBVgD<12>tbd<5>B\
  xC<9>JPpHKu<8>Z_lQVg<6>JLR
  }

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
}