Hi Everybody, I'm looking for 'ftp-able' MOPAC 5. version for Unix, or instructions how to convert the IBM 3090 version to Unix version. Simple removal of timing subroutines didn't work. So, what's the trick? Thanks, Piotr Dr. hab. Piotr Paneth BCHM003 "at@at" UNLVM (or PPANETH "at@at" UNLVAX1)