Have you looked at Open Office Draw. It has flowchart symbols on the=20 toolbar and the price is right. Bill Dwayne Reid wrote: >Good day to all. > >I'm revisiting a very old project and need to update a flow chart=20 >that was done a couple of decades ago. There are enough changes that=20 >I'm just going to start from scratch, using the original as a guide. > >I haven't done a flow-chart in a *very* long time. Can anyone=20 >suggest a simple, robust, long-lived product that I might=20 >consider? I prefer to find something that is long-lived, so that I=20 >don't have to relearn a new package from scratch the next time that I=20 >want to use it. > >This particular flow chart is intended to show the internal software=20 >operation of a control system for industrial process ovens that use=20 >catalytic heaters. This is very old technology for us but there are=20 >many hundreds of these control systems still out in use - and we keep=20 >making more. The safety people at a new customer's site want to see=20 >how we do our safety stuff and it's easier to present the software=20 >internals in a flow-chart format than in any other format that I can think= of. > >Many thanks! > >dwayne > > =20 > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .