By the way fractint incremental version 11.04 really rock, i like epsilon . I observe a little probleme in the download of the last Muth frame. i assume my IFS development to be possibly in case.. i will send my result to Hal sometime. just got it. I'am on my personal laptop here and so from computer hasard to computer hasard it E_fect on it a little... for the rest i feel vibration shiver...brrr... try to parsed it on formula version 20.0 for error slot. just in case, my 11.04 react really according to what i feel. START PARAMETER FILE============================================= splat_brot_z2 { ; from the opinion of a master. reset=2004 type=formula formulafile=2012_3.frm formulaname=physic5 function=cosh/tan center-mag=-0.03068836045056319/-0.00002504173622696/775.1938/1/90/3.885\ 78058618804789e-016 params=-100/0/1/0/2/0 float=y inside=0 potential=120/200/4 colors=00000e0e00eee00e0eeL0eeeLLLLLzLzLLzzzLLzLzzzLzzz000555<3>HHHKKKOO\ O<3>ccchhhmmmssszzz00z<3>z0zz0j<8>nPhmRgkUg<2>gbfeeefee<3>kiblibmibnib<1\ 0>sfdsfdsfdtfdtfduee<8>wnfxogxpg<3>zuhzzh<3>hzh<3>hzz<2>hlz<8>IKnFHmCEk<\ 3>00e<8>G8WI9VKAT<2>QDQSEOSELSEHSEE<3>SSE<3>ESE<3>ESS<2>EHSKKS<2>QKSSKSS\ KQSKOSKMSKK<2>SQKSSKQSKOSKMSKKSK<2>KSQKSSKQSKOSKMS00G<3>G0G<3>G00<3>GG0<\ 3>0G0<3>0GG<2>04G88G<2>E8GG8GG8EG8CG8AG88<2>GE8GG8EG8CG8AG88G8<2>8GE8GG8\ EG8CG8AGBBG<2>FBGGBGGBFGBDGBCGBB<2>GFBGGBFGBDGBCGBBGB<2>BGFBGGBFGBDGBCG0\ 00<6>000 } frm:physic5{;sinpix a=p1 b=p2 c=p3 z=pixel: z=(1/(fn1(a*z)^p3)*1/fn2(b*z)+z^p3)*p3+pixel |z|<4 } END PARAMETER FILE==========================================================