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Vintage Technology: Calculators
I think the 1970s was the most interesting period for calculators.  Rapid development of ICs, displays and a 10-fold drop in prices to cope with.  Also check out the WANTED section which allows you to sell some junk to me and save the ebay fees.

Calculators

Calculators from the 1970s galore!  Warning this is a slow page best viewed via a high speed internet link.

Desktop calculators

A subsection of the list on the left is dedicated to desktops.

A subsection of the list on the far left is dedicated to later notable LCD models.
 

 

 

Insides

Inside your calculator can be a mine of information.  Check out the description of components. 

Same Calc?

Similar calculators with different brand names were common, particularly when the prices dropped and a fast buck was to be made.

Keys

Ever wondered what that strange looking key does on your calculator?

Opening

All about opening your calculator up and the problems 

Displays

Display technology in pocket and desktop calculators from the 1970s

Keys

Books from the 1970s about calculators and the collector's bible.

Just for researchers,  reference summarizes some of the detail on this web site for researchers and includes articles and component information.

Vintage ICs used in 1970s calculators - Study these devices in more detail and use you knowledge to chip-guess

Bugs, artefacts and styles - Things that your calculator does incorrectly or different from others

Dating you calculator - by reverse engineering the components. How does a calculator work?

(under construction)