Sorry. Didn't mean to cast doubts about your program.... It's just I don't use a PC for most of my work so don't really know anything about ASPIC. I don't suppose you'd do an Atari version... Simon -- ****************************************************************************** * Simon Harrison, University of Newcastle U. Tyne * * * S.J.Harrison@uk.ac.newcastle * Oook * * Fax: 091-222-8180, Attn: S.Harrison * - Librarian * * Telex (Preferred): 53654 UNINEW G, mark 1st line: * * * "TO: S.J.HARRISON (DEPT. OF ELEC. ENG.)" * * ******************************************************************************