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.

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.

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.

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.