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.
NCR 1844, Japan, one of the first hand-held calculators, similar to the Busicom LE-100A "Handy". Featured calculator.
National Semiconductor & Novus (Novus was a brand name of National Semiconductor calculators. See the Calculator Companies section for more information.)
Novus 650 Mathbox. Featured calculator.
National Semiconductor 835, two keyboard colours, keyboard colour 2, inside.
Novus 4510 "Mathematician", inside. See below for casing variations of this model.
Comparison of eight different versions of Novus 4510 "Mathematician" with labelling and colour variations.
Another variation with "National Semiconductor" printed twice.
Novus 4515 "Mathematician PR".
National Semiconductor 4525 Scientist PR. Associated article: "Replacing a defective Main Chip of a Novus 4525 Scientist PR".
National Semiconductor 4650, inside.
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.
National Semiconductor 6030 "Statistician".
Novus Billfold 91, calculator within a billfold (wallet). Featured calculator.
Novus Executive, calculator within a billfold (wallet).
Nestler
Netronics
New Bright (Shinsho Sangyo Co., Ltd., Tokyo, Japan)
Nobility
Novus - See National Semiconductor.
Numerex
Text & photographs copyright, except where stated otherwise, © Nigel Tout 2000-2025.
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