Hi everyone. GSCHEM is working well. But I saw an oblique reference to a "re-numbering facility" for components. Is this a planned feature or can I do this now? Best regards John Davies Metagence Technologies Home Park Estate, Kings Langley, Herts WD4 8LZ Tel: +44 (0)1923 260511 Fax: +44 (0)1923 268969