Hi, After reading a new article about some recent discoveries about the Antikythera mechanism: http://biz.yahoo.com/bw/061130/20061130005701.html?.v=2 it occurs to me that we really ought to have something about it at CHM, if it really is the oldest calculator around. -- Stan Sieler work: www.allegro.com personal: www.sieler.com/wanted/index.html