This page has links to photographs of apparently later LCD (Liquid Crystal Display) pocket calculators, that is those with the later type of LCD display with black digits on a grey background, probably
manufactured in the late 1970s and 1980s. Although the rate of technical development of calculators had slowed down by this time it is still interesting to compare the different models available then.
Click on a calculator to see a photograph of it, then click on your browser "Back" button to return to this page.
Adler (T-A Vertriebs GmbH, Germany. A division of Litton Industries)
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ADLER SOLAR-MINI (yellow LCD), early solar-powered, LCD, credit card size calculator, Japan, similar to Imperial SOLAR-MINI. Featured calculator.
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APF (APF Electronics Inc., New York)
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APF 5100A, rear (grey LCD). Credit card size, with stop-watch, time, and alarm functions, made in Hong Kong. Dec. 23.
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Boots (British chain store - a company featured on British calculator site)
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Boots 527 (grey LCD), scientific functions. Featured on British calculator site.
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Calstar
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Calstar LC 300A (grey LCD). Credit card size.
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Casio (Japan)
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Casio BQ-1100 "Biolator & Watch" (grey LCD), also capable of calculating the body's biorhythms (see the Kosmos I for an early biorhythm calculator) , 113x62x6mm / 4.4x2.4x0.25".
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Casio fx-250D (grey LCD), rear. Scientific
and statistical calculator, 2- button cells, 145x76x15mm / 5.7x3.0x0.6" Japan.
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Casio PW-70, in time-mode (grey LCD), credit card size, 4 function, memory, clock, alarm, stop-watch, 59x92x7mm / 2.3x3.60.3".
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Crayola (Novelty calculator)
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Crayola wax crayon novelty calculator, open, keyboard, battery powered.
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Exodus (If you have any information about this brand please get in touch)
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Exodus LC-103 (grey LCD), rear, in folding wallet, 4-function, %, square root, memory, 2-button cells, Taiwan.
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Hewlett Packard
(U.S.A. company)
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Hewlett Packard HP-12C (grey LCD), financial functions, very successful, introduced in September 1981 and still in production.
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Hewlett Packard HP-15C (grey LCD), advanced programmable scientific functions.
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Hewlett Packard HP-16C (grey LCD), computer scientist programmable functions.
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Hewlett Packard 32S HP 50th Anniversary special limited edition, (grey LCD), scientific.
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Hewlett Packard HP-41CX (grey LCD), with magnetic strip reader/recorder,
introduced in 1983, the classic HP scientific programmable calculator of the 1980s. Featured Calculator.
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Hewlett Packard HP-71B (grey LCD). Is partly a "70" series hand-held computer and partly a follow on to the HP-41.
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Imperial
(T-A Vertriebs GmbH, Germany. A division of Litton Industries)
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IMPERIAL SOLAR-MINI (yellow LCD), early solar-powered, LCD, credit card size calculator, Japan, similar to Adler SOLAR-MINI. Featured calculator.
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Logitech (Taiwanese company)
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Logitech LC100 (grey LCD), actually labelled only LC110, similar to the Logitech LC-100. The wallet case is marked "Compliments
of KBI, a division of Cabot Corporation". 4-function, %, square root, memory, credit card size, Taiwan.
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Logitech LC506 (grey LCD), 4-function, %, square root, solar powered.
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Nelsonic Industries
(U.S.A. company, specialised in producing toy-themed wristwatches. Was the first company in the United States to produce electronic game-watches.)
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Nelsonic combination calculator and rule, rear with metric conversion tables,
solar powered, Taiwan.
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Olympia
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Olympia LCD 230 (grey LCD), 4-function, %, memory, square root, square, reciprocal, 3v Lithium button cell, Japan, c1980-2.
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Royal
(Originated as the Royal Typewriter Company, U.S.A, later one of the Litton Industries companies which included Imperial, Triumph and Adler)
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Royal 4HPD (grey LCD), rear, 4-function, %, memory,
printer, 4-AA replaceable batteries, TA [Triumph-Adler] AG, D 8500, Nurnberg. Jul. 23.
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Royal 5HPD, (grey LCD), 4-function, %, memory, printer, rechargeable batteries.
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Sanyo
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Sanyo CX-1, early solar powered using "Amorton" amorphous silicon solar cell. Featured calculator.
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Sharp
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Sharp ELSI MATE EL-206 (yellow LCD), inside,
4-function, %, square root, memory, 74x86x21mm / 2.9x3.4x0.8", c1980, Japan.
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Sharp ELSI MATE EL-207 (grey LCD), 4-function, %, square root, memory, 74x86x21mm / 2.9x3.4x0.8", Japan.
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Sharp ELSI MATE EL-208 (grey LCD), inside,
4-function, %, memory, 9v PP3 rep. batt., Japan.
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Sharp ELSI MATE EL-218 (grey LCD), inside,
4-function, %, square root, memory, c1981, Japan.
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Sharp EL-515S (grey LCD), scientific, solar powered.
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Sharp EL-825 (grey LCD), early solar-powered, LCD, credit card size calculator, 1980, compare with TEC EC-205G. Featured calculator.
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Sharp EL-826 (grey LCD), early solar-powered, LCD almost credit card size calculator, ~1980. Featured calculator.
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Sharp EL-863 (grey LCD), early solar LCD credit card calculator.
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TEC
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TEC EC-205G (grey LCD), early solar-powered, LCD, credit card size calculator,compare with Sharp EL-825. Featured calculator.
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Technico
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Technico SB-806M (grey LCD), 4-function, %, memory, solar-powered, has unusual hinge-up display.
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Texas Instruments
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Texas Instruments Business Analysis II.
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Texet (British marketing company)
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Texet 4RNI closed, Texet 4RNI open (grey LCD), folding cover protects keypad, 4-function, %, square root.
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Wang
(U.S.A. company known for its advanced desktop scientific calculators)
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Wang 10-DIGIT SCIENTIFIC CALCULATOR (grey LCD). Manufactured in China, this is a rebadged Sharp EL-506P calculator and could be a promotional item for Wang desktop calculators.
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