Last reaction was a really pretty one, it will go to bed like that, I suggeste to anyone to parsed it for yourself, really balanced cmplx reaction, sin tan .. it's a good sign for (my) next fractal season... By. Sebastien -- most attached file or result are positively balance at :https://sites.google.com/site/sinpix12823fractal/ start parameter file======================================= quadratic_spring { ; blossom reset=2004 type=formula formulafile=2012_6.frm formulaname=sinpix corners=-0.68096/0.68096/-0.51072/0.51072 params=-2/-2/2/-2 float=y inside=0 potential=256/200/4 colors=000<7>00K00M00P<3>00Z<3>DDbGGcKKdNNe<8>AAa88a77`<2>22_00Z04Z<4>0P\ b0Tc0Xd<3>0mg<8>0Kb0Hb0Ea<2>04_00Z23_<6>GPlISnKVp<3>Sfx<8>CIiAFg8Ce<3>00\ Z<8>C0VD0VF0U<3>L0SS0S<3>S00<9>A00800600400200000<9>347348348<2>56B67D79\ E<3>BDMCEOCEO<10>BBHBBHBBG<6>A7FA6FB5F<3>B3FB2FB1FC0GG0G<8>O0VP0XQ0Z<2>T\ 0cU0eU2e<7>ZMeZOe_Re<2>aYeb`decg<3>srsvvvzzz<2>qpp<8>jjjiiiihh<2>fffeeec\ cc<7>HHHFFFCCC<3>000<4>000 } frm:sinpix{;sinpix a=real(p1) b=imag(p1) f=real(p2) g=imag(p2) h=1/a,h1=1/b,h2=1/f,h3=1/g z=c=pixel: c=tan(z^a)+b*(z-1) t=sin(z^f)+g*(z-1) z=c+t+g*c |z|<10 } end parameter file========================================