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Calculator: Reference: Various areas of reference including associated period material.

 

Component and circuit information (under construction, so only a few bits at the moment - want more? nag me!)
Want to know some pin-outs or some circuit basics? - this is the place to look.

Main cpu ICs
(8)
Supplemental ICs
(1)
Displays
(5)
DC-DC Converters
(3)
Hitachi ICs
(6)

Research Articles
Items are presented here that help researchers understand the evolution of pocket and desktop calculators during the 1970s.  Adverts reviews and marketing material.  Please note the individual copyright clauses on articles that are pure reproductions.

ETI 1974 review of the market 1972 Prinztronic Micro brochure 1972 Prinztronic C40 brochure Which? 1979 review of calculators Kovac K-80D Boots advert  Daily Telegraph 1972 Kovac K-80D Boots Flyer
1972

Reference Guides
This section is designed for researchers who want instant access to summaries of the information contained in some of the larger collections of this site.

Commodore

Rockwell

Commodore Decimo
Under Construction
Rockwell
Under Construction

IC Data Books: Reference books for vintage ICs
I often find that books up for sale do not have much useful information - so here is some more depth data about IC reference books that have been in my hands.

Texas Linear Control Circuits
1976
Texas Power Semiconductor
1975
Texas Transistor and Diode Data Book 1
1975
Texas Transistor and Diode Data Book 2
1975