Dear All Please be advised that there are new versions of THERMOCALC for PC and Mac (Intel and PowerPC) available from Roger Powell's homepage at http://www.earthsci.unimelb.edu.au/tpg/thermocalc/. Cheers, -- Johann Diener School of Earth Sciences University of Melbourne Victoria 3010 Australia Phone: (+61)(3) 8344 4996 Fax: (+61)(3) 8344 7761