Photo Library/Book Addendum

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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.


National Cash Register (NCR)

NCR 1844

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.)

National Semiconductor 200

National Semiconductor 200.

National Semiconductor 200R

National Semiconductor 200R.

National Semiconductor 600

National Semiconductor 600.

Novus 650 Mathbox

Novus 650 Mathbox. Featured calculator.

Novus 750

Novus 750.

Novus 820

Novus 820. Details.

Novus 821

Novus 821Dec. 20.

Novus 822M

Novus 822M. Details.

Novus 823.

Novus 824

Novus 824.

Novus 826

Novus 826Dec. 20.

Novus 831

Novus 831Dec. 20.

National Semiconductor 832

National Semiconductor 832.

National Semiconductor 835

National Semiconductor 835, two keyboard colours, keyboard colour 2, inside.

National Semiconductor 835A

National Semiconductor 835A.

Novus 842

Novus 842.

Novus 850

Novus 850.

National Semiconductor 850A

National Semiconductor 850A. Dec. 20.

National Semiconductor 852

National Semiconductor 852. Dec. 20.

Novus 950

Novus 950. Dec. 20.

Novus 3500 “Sliderule”

Novus 3500 "Sliderule".

Novus Mathematician

Novus 4510 "Mathematician", inside.  See below for casing variations of this model.

Novus 4510 Variations 

Comparison of eight different versions of Novus 4510 "Mathematician" with labelling and colour variations. Dec. 20.
Another variation with "National Semiconductor" printed twice.

Novus Mathematician PR

Novus 4515 "Mathematician PR".

NatSemiNovus4520Scientist_11_tlr

Novus 4520 "Scientist". Dec. 20.

National Semiconductor 4525 Scientist PR.  Associated article: "Replacing a defective Main Chip of a Novus 4525 Scientist PR".

National Semiconductor 4615

National Semiconductor 4615. Dec. 20.

National Semiconductor 4640

National Semiconductor 4640.

National Semiconductor 4650, inside.

National Semiconductor 4660

National Semiconductor 4660. Dec. 20.

International Computer

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.

Novus 6020 “Financier”

Novus 6020 "Financier".

Novus 6025 “Financier PR”

Novus 6025 "Financier PR".

National Semiconductor Statistician

National Semiconductor 6030 "Statistician".

Novus Billfold 91

Novus Billfold 91, calculator within a billfold (wallet). Featured calculator.

Novus Executive

Novus Executive, calculator within a billfold (wallet).


Nestler

Nestler OH 1002A

Nestler OH 1002A. Details.


Netronics

Netronics NV2000/MX

Netronics NV2000/MX.


New Bright (Shinsho Sangyo Co., Ltd., Tokyo, Japan)

Bright 8

Bright 8. Details.


Nobility

Nobility K14/350

Nobility K14/350.


Novus - See National Semiconductor.


Numerex

Numerex 802

Numerex 802, inside. Details.

Vintage Calculators

© Text & photographs copyright Nigel Tout   2000-2021  except where noted otherwise.