As for scientific stuff, I can bring the xplot package. This beast is able to plot great 3D surfaces (not much worse than Maple :) abel -- /v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^v^\ Alexander L. Belikoff |o ... o| (abel@wisdom.weizmann.ac.il) |o 3314 signal(SIG_CTHULHU, fhtagn); o| |o 3315 pause(); o| Berger Financial Research, Ltd. |o ... o|