This guide is the result of years of experience in buying actively Hewlett-Packard vintage calculators on eBay. It concerns only pocket calculators and some peripherals, when they are available. It is made for everyone who is looking for a fine calculator or for the exigent collector. It is not made for traders who lose their precious time to make poor money on the back of collectors, buying and reselling immediately on eBay (often bad condition, not sufficiently described or tested and overpriced products) without thinking one minute about HP glorys days.
I dedicate this guide to the HP Museum site which is a good introduction for HP calculators fans and to HP Corporation who represents a big part in my career in Information Technologies.
The HP vintage pocket calculators family
Between 1972 and the beginning of 90s, HP produced different families of calculators. Each family could be identified by a series name:
ClassicThe first series of calculators: The HP-35, HP-45, HP-55, HP-65, HP-67, HP-70 and the HP-80.
WoodstockThe HP-21, HP-22, HP25, HP-25C, HP-27, HP-29C.
No comments:
Post a Comment