This page has links to photographs of vintage calculators on this website.
Click on a calculator to see a larger photograph of it, then click on your browser "Back" button to return to this page.
Calculators marked "Details" are not in the book "A Collector's Guide to Pocket Calculators", but details are in the section Calculator Book Addendum on this site.
Iain Jones International (U.S.A. company)
Addison Mini A. This calculator features in the "One Hit Wonders" article.
IJI Mini. This calculator features in the "One Hit Wonders" article.
IJI Mini A. This calculator features in the "One Hit Wonders" article.
Phoenix 101. This calculator features in the "One Hit Wonders" article.
Phoenix/B. This calculator features in the "One Hit Wonders" article.
Ibico (Swiss office equipment company, calculators made in Japan. See also the Early LCD Calculator Photo Library.)
Ibico 085 (in rough condition). Details.
ICP
IME (Industria Macchine Elettroniche, Italian company.)
IME Compucorp 322G Scientist, scientific calculator, 80-step programmable, manufactured by Compucorp and labelled for IME. Featured calculator .
Imperial (Imperial Typewriter Company, England. Was a division of Litton Industries, as were Royal and Triumph-Adler).
Imperial 12HT. Featured on British calculator site.
Imperial 80CS. Featured on British calculator site.
Imperial 80K. Featured on British calculator site. Jan. 24.
Imperial 81CS. Featured on British calculator site.
Imperial 81SR. Featured on British calculator site.
Imperial 81M. Featured on British calculator site.
Imperial 90K. Featured on British calculator site.
Imperial 90S. Featured on British calculator site.
Imperial 91K. Featured on British calculator site.
Imperial 91S. Featured on British calculator site.
Imperial 92M. Featured on British calculator site.
Imperial 94F. Featured on British calculator site.
Imperial 99T. Featured on British calculator site.
Imperial 1010. Featured on British calculator site.
Imperial 1020. Featured on British calculator site.
Imperial 1030. Featured on British calculator site.
Imperial Companion. Featured on British calculator site.
Imperial I.C.-90 (stylus version), inside, similar to Royal Digital IV. Featured on British calculator site.
Imperial Special. Featured on British calculator site.
Ingersoll
Ingersoll Memory Master. Details.
Instru (marketed by Instrumentariun Oy, Finland)
Instru-ALPHA, inside. Details.
International Calculator Corporation
International Calculator Corporation ADMINISTRATOR I. Details.
Internationale Warenhausgruppe (International Warehouse Group, German company)
Internationale Warenhausgruppe MR800. Details.
Interton (German company, most calculators made in Germany)
Interton Electronic (model number unknown). Details.
Interton Electronic (model number unknown). Details.
Invicta Plastics (British company)
Invicta Electronic Mastermind model 1, model 2, electronic game, looks like a calculator. Featured on British calculator site.
Invicta Super Sonic Electronic Mastermind, electronic game, looks like a calculator. Featured on British calculator site.
I.T.C.
I.T.C. F-80DX financial calculator. Details.
ITT (International Telephone & Telegraph, U.S. company)
ITT S-TRAINER, educational calculator.
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