07-06-2009, 01:25 AM
07-06-2009, 01:48 AM
Speaking of the Computer History Museum, for those who haven't been there you really need to make the effort, it is nothing short of superb. They even have a collection of HP calcs:
http://www.alternatezone.com/images/HPcalcs1.jpg
http://www.alternatezone.com/images/HPcalcs2.jpg
Dave.