Mandel sturcture building back i also start to have the feeling of it. Pretty double mandel_brot start parameter file=================================== double_mandel { ; comming_back reset=2004 type=formula formulafile=2012_4.frm formulaname=zsweet function=sqr corners=-0.63632/0.63632/-0.47724/0.47724 params=-20/0/10/0 float=y inside=0 potential=120/200/4 colors=000005<8>007008008<3>00A<3>GGOLLRPPVTTYXXa<8>EEMBBK99I<2>33C00A02\ D<7>0Id0Kh0Mk<3>0Vz0GzVVz<3>zVz<3>zVV<3>kNNgLLcJJ<2>TDD<8>F66D55C44<3>50\ 0<8>ZO2aR3dU3<3>rd5<6>Q`NL`QH_S<3>0Xb<2>0ee<8>GQUIOTKMR<2>QGNSELSEHSEE<3\

SSE<3>ESE<3>ESS<2>EHSKKS<2>QKSSKSSKQSKOSKMSKK<2>SQKSSKQSKOSKMSKKSK<2>KS\ QKSSKQSKOSKMS00G<3>G0G<3>G00<3>GG0<3>0G0<3>0GG<2>04G88G<2>E8GG8GG8EG8CG8\ AG88<2>GE8GG8EG8CG8AG88G8<2>8GE8GG8EG8CG8AGBBG<2>FBGGBGGBFGBDGBCGBB<2>GF\ BGGBFGBDGBCGBBGB<2>BGFBGGBFGBDGBCG000<6>000 }

frm:zsweet{;sinpix a=real(p1)+imag(p1) b=real(p2)+imag(p2) z=c=fn1(pixel): q=z^a/2+(z^a-1/2) r=sin(z) s=1/z^a*0.707106*z z=s*q/r+b*c |z|<10 } end parameter file========================= -- most attached file or result are positively balance at :https://sites.google.com/site/sinpix12823fractal/