The formula for 03-10-05 seems to have gotten cutoff on the FOTD web page. If you use it as it is, it creates a different image. It reminds me of what astronomers call pillars of venus. http://rogerkaufman.mystarband.net/FRACT001.GIF Just in case it gets corrected soon, this is what it looks like to produce this fractal. I added the last bracket. Brainbow { ; time=0:07:26.60--SF5 on a P200 reset=2004 type=formula formulafile=jim.frm formulaname=TestZero function=cotanh passes=1 center-mag=-7.88766/0/0.07092536/1/-90/0 params=2/0/3600/0 float=y maxiter=750 inside=atan periodicity=10 colors=0000AM0AM0BN0BN0CO1CO1DP1DP1EQ1ER1FR1FS1GS1\ GT1GU1HU1HV1IW1IW1JX1IY1KY1JZ1KZ1J_1K`1J`1Ka1Jb1Kb\ 1Jc1Kc1Kd1Me1Le1Of2Mg2Qg2Nh2Qh2Oi2Qj2Pj2Qk2Pl2Ql2P\ m2Pn2Pn2Po2Po2Pp2Pq2Pq2Pr2Ps2Ps2Ot2Ot2Ou2Ov2Ov2Ov2\ Ox2Ov2Oy3Nw3Nz3Nx3Nz3Nx3Nz3Nx3Nz3Ny3Nz3Nz3Nz3Mx3Mz\ 3My3Mz3My3Mz3Mz3Mz4My4My4My4My4Ly4Ly4Ly4Ly4Ly4Ly4L\ y4Ly4Ly4Ly4Ly4Ly4Ky4Ky4Ky5Kx5Kx5Kx5Kx5Kx5Kx5Kx5Kx5\ Kx5Jx5Jx5Jx5Jx5Jx5Jx5Jx5Jx5Jx5Jx6Jw6Jw6Iw6Iw6Iw6Iw\ 6Iw6Iw6Iw6Iw6Iw6Iw6Iw6Iw6Hw6Hw6Hw6Hw6Hw7Hv7Hv7Hv7H\ v7Hv7Hv7Hv7Gv7Gv7Gv7Gv7Gv7Gv7Gv7Gv7Gv7Gv7Gv7Gv8Fv8\ Fv8Fv8Gv8Gv8Hv8Hv9Iv9Iv9Jv9Jv9Kv9KvALvAMvAMuANuANu\ AOuBOuBPuBPuBQuBQuBRuCRuCRvCSvCSvCTvCTvCUvDUvDVvDV\ vDWvDWvDXvEXvEYvEYvEYvEZvEZvF_vF_vF`vF`vFavFavGbvG\ bvGbxGcuGcvGdvHdvHevHewHfwHfwHgwIgwJhwKhwLiwMjuNjw\ OkwPlwQmwRmwSnwTowUpwVqwWrwXswYtwZuw_vw`wwawwbwwcw\ wcwwcwwcwxcwwcwwcwwcwvcwv } frm:TestZero { ; Jim Muth z=p1, c=pixel: z=z*c^fn1(z), |z| } -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.344 / Virus Database: 267.11.9/118 - Release Date: 10/3/2005 -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.344 / Virus Database: 267.11.9/118 - Release Date: 10/3/2005