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.
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Office International
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Office International 8002. Details.
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Okhai (Scotish marketing company)
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Okhai 8P. Featured on British calculator site.
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Olivetti (Italian company. See the Calculator Companies section for more information.)
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Olivetti Divisumma 18, calculator with an iconic design. Featured calculator.
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Olivetti Logos 7
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Logos 832MD
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Olympia (Euro-market, many calculators similar to Panasonic models)
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Olympia 816MS.
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Olympia CD-42. Details.
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Olympia CD-45.
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Olympia CD46 (Euro-market), Panasonic 8203 (JE-8203).
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Olympia CD60.
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Olympia CD70. Details.
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Olympia CD71.
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Olympia CD76S, inside. Details.
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Olympia CD81. Featured calculator
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Olympia CD100.
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Olympia CD101, inside. Details.
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Olympia CD102. Details.
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Olympia CD202. Details.
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Omron (Japanese company)
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Omron 8, type 1, aka Omron 840.
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Omron 8, type 2, aka Omron 88R.
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Omron 8P
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Omron 12SR.
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Omron 86
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Omron 86M.
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Omron 86R.
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Omron 86SR.
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Omron 87, in clear carrying case, inside.
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Omron 88.
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Orion (please let us know if you have any information about this company).
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Orion, unusual since the battery compartment is detachable and can be replaced with an AC
module.
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Text & photographs copyright, except where stated otherwise, © Nigel Tout 2000-2024.
