Here is the copy of the reference to the spreadsheet I was referring to. Does anyone know of any work on this? THanks...JK On Sun, 5 Oct 1997 19:26:09 -0400, Jerry J Bromenshenk <[log in to unmask]> wrote: "...If anyone would like to brainstorm some computer-based programs ... But spreadsheets are powerful tools...." :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -- Visit www.honeybeeworld.com/BEE-L for rules, FAQ and other info --- ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::