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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National Cash Register
(NCR)
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NCR 1844, Japan, one of the first hand-held calculators, similar to the Busicom LE-100A
"Handy". Featured calculator.
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National Semiconductor & Novus (Novus was a brand name of National Semiconductor calculators. See the Calculator Companies section for more information.)
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National Semiconductor 200.
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National Semiconductor 200R.
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National Semiconductor 600.
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Novus 650 Mathbox. Featured calculator.
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Novus 750.
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Novus 820. Details.
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Novus 821.
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Novus 822M. Details.
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Novus 823.
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Novus 824.
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Novus 826.
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Novus 831.
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National Semiconductor 832.
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National Semiconductor 835, two keyboard colours, keyboard colour 2, inside.
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National Semiconductor 835A.
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Novus 842.
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Novus 850.
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National Semiconductor 850A.
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National Semiconductor 852.
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Novus 950.
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Novus 3500 "Sliderule".
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Novus 4510 "Mathematician", inside.
See below for casing variations of this model.
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Comparison of eight different versions of Novus 4510 "Mathematician" with labelling and
colour variations.
Another variation with "National Semiconductor" printed twice.
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Novus 4515 "Mathematician PR".
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Novus 4520 "Scientist".
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National Semiconductor 4525 Scientist PR. Associated article: "Replacing a defective Main Chip of a Novus 4525 Scientist PR".
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National Semiconductor 4615.
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National Semiconductor 4640.
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National Semiconductor 4650, inside.
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National Semiconductor 4660.
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National Semiconductor 6010 "International Computer", circuit board. Apparently this is the second version with electronics encapsulated in a 'blob' on the display circuit board rather than in standard integrated circuit
packages.
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Novus 6020 "Financier".
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Novus 6025 "Financier PR".
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National Semiconductor 6030 "Statistician".
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Novus Billfold 91, calculator within a billfold (wallet). Featured calculator.
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Novus Executive, calculator within a billfold (wallet).
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Nestler
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Nestler OH 1002A. Details.
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Netronics
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Netronics NV2000/MX.
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New Bright
(Shinsho Sangyo Co., Ltd., Tokyo, Japan)
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Bright 8. Details.
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Nobility
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Nobility K14/350.
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Novus - See National Semiconductor.
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Numerex
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Numerex 802, inside. Details.
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Text & photographs copyright, except where stated otherwise, © Nigel Tout 2000-2025.
