Tag added (naughty Russell) ... > At the time the HP35 was about as astounding as a Maclaren F1 was at its = first > release. > But 'somewhat more affordable'. It certainly turned the pocket calculator world upside down. > The HP35 was more or less the first scientific calculator and was utterly > stunning in what it could achieve. Umm, its predecessor was the HP9800, and then Mr Packard (Or it might have = been Mr Hewlett) wanted an HP9800 that would fit in his shirt pocket. See http://www.viddler.com/explore/sleibson/videos/4/ for an interview of T= om Osborne, the designer of the HP9800 and the HP35, by Steve Leibson, whic= h gives some revealing insights behind the scenes. --=20 Scanned by iCritical. --=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 .