John Wolff's Web Museum - Calculator Index
John Wolff's Web Museum
Calculator Index by Make and Model
Mechanical Calculators
This section also includes some of the early electronic calculators
that were produced by (or for) the established mechanical calculator
companies. These machines are also listed in the separate
Electronic section below.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
A
- Adall adding machine, 100-tooth disc
- Adder single-column adder, 3-dial, 10-key
- Addiator "Arithma", 6 columns, Sterling
- Addiator "Arithma", 6 columns, decimal
- Addiator "Fractomator", 9 columns, Feet & inches
- Addiator "Duplex", 8 columns, Sterling
- Addicalco Model 53, key-driven, 10 columns, Sterling
- Addimult "Addmaster", slide adder, 9 columns, Sterling
- Addipresto adding machine, 7 columns, decimal
- Addmaster (Clary, branded Friden), 10-key, printing, 10 columns, electric
- Add-O-Matic adding machine pencil case, 4 columns, decimal
- Addo Model 9K, printing, 8/9 columns, Sterling, manual
- Addo Multo Model 3, pinwheel, 10x8x13
- Addo Multo Model 113, pinwheel, 10x8x13
- Addometer 8-dial adder, feet, inches, and eighths
- Addometer 8-dial adder, Sterling
- Adwel Model W504, 8 columns, printing, manual
- AMCO adding machine, 9 columns, Sterling
- Alpina miniature calculator, 8x6x13
- Anita (Bell Punch) Model 1011, electronic, 1970
- Aristo Slide Rule, 10", "Scholar" Model 0903
- Arithma (Addiator), 6 columns, Sterling
- Arithma (Addiator), 6 columns, decimal
B
- Baby Slide Adder, 8 columns, decimal
- Barrett (Monotype), printing, 9/12 columns, decimal, manual
- Barrett (Monotype) Model 152, printing, 9/12 columns, Sterling, manual
- Barrett (Corona) Portable, printing, 7/8 columns, decimal, manual
- Bell Punch Company, UK - see also PLUS,
Sumlock,
Comptometer
- BriCal Adding Machine, 6 columns, Sterling, S/N B-832
- BriCal Adding Machine, 6 columns, Decimal, S/N E-850
- BriCal Money Calculating Machine, 3/4 columns, Sterling
- Britannic Model 2A, pinwheel, 9x10x18
- Browne Cylindrical Slide Rule, Model F.C.46, Made in Australia
- Brunsviga (Grimme, Natalis & Co)
- Brunsviga Model A, pinwheel, 9x10x18
- Brunsviga Model B (early version), pinwheel, 9x8x13
- Brunsviga Model B (later version), pinwheel, 9x8x13
- Brunsviga Model J, pinwheel, lever set, 9x8x13
- Brunsviga Model M III, pinwheel, 9x8x13
- Brunsviga Nova II, pinwheel, 10x10x15
- Brunsviga Nova 13, pinwheel, 10x8x13
- Brunsviga Model 13ZK, pinwheel, 10x8x13
- Brunsviga Model 13Z, pinwheel, 10x8x13
- Brunsviga Model 13RK, pinwheel, 10x8x13
- Brunsviga Model 13B, pinwheel, 10x8x13
- Brunsviga Model D13R-2, double pinwheel, 10x8x13 each side
- Brunsviga Model 10, stepped drum, 6x5x10, portable
- Brunsviga Model 11E, stepped drum, 7x6x10, electric
- Brunsviga Model 94T, adding machine, 8/9 columns, manual
- Brunsviga Model 94T, adding machine, 8/9 columns, Sterling, manual
- Brunsviga Model G894, 10-key, printing, 8/9 columns, manual
- Burroughs Adding Machine Company
- Burroughs Adding Machine, Class 1, Model 9, 9 columns, Sterling
- Burroughs Adding Machine, Class 1, Model 2, 9 columns, Sterling, electric
- Burroughs Adding Machine, Class 3 (Visible), 7 columns, Sterling, manual
- Burroughs Calculator, 9 columns, early, Sterling
- Burroughs Calculator, 13 columns, early, Sterling
- Burroughs Calculator, Class 5, 13 columns, Sterling
- Burroughs Calculator, later model, 13 columns, Sterling
- Burroughs Calculator, later model, 13 columns, Sterling, electric
- Burroughs Calculator, late model, 9 columns, dual register, electric
- Burroughs Portable adding machine, 8 columns, Sterling, electric
- Burroughs Portable adding machine, 10 columns, Sterling, wide carriage, electric
- Burroughs Portable adding machine, 8 columns, Sterling, manual
- Burroughs Model J524, 10-key, printing, 10/11 columns, electric
- Burroughs Model J624, 10-key, printing, 10/11 columns, electric
- Burroughs Model J700, 10-key, printing, 10/11 columns, electric
- Burroughs Model J1624, 10-key, printing, 10/11 columns, electric
- Burroughs Model C5155, electronic, 10 digit, 3-chip LSI, 1973
- Busicom Model HL-21, pinwheel, 10x11x21
C
- Calculator Corp 7-dial adder, decimal
- Clary Model 189, printing, 8/9 columns, electric
- Clary "Addmaster" (branded Friden), 10-key, printing, 10 columns, electric
- Commodore 10-key, printing, 9 columns, manual
- Commodore 10-key, printing, 9 columns, electric
- Comptator slide-set adding machine, 13 columns, Sterling
- Comptograph (Walther), Model 101, 10-key, printing, 9 columns, electric
- Comptometer (Felt & Tarrant Manufacturing Company)
- Comptometer (Felt & Tarrant), Model F, 10 columns, Sterling
- Comptometer (Felt & Tarrant), Model H, 10 columns, Sterling
- Comptometer (Felt & Tarrant), Model J, 12 columns, Sterling
- Comptometer (Felt & Tarrant), Model J, 12 columns, decimal, refurbished 1966
- Comptometer (Felt & Tarrant), Model J/S, Super Totalizer (dual register), 10 columns, Sterling
- Comptometer (Felt & Tarrant), Model K, 12 columns, Sterling, electric
- Comptometer (Felt & Tarrant), Model M, 12 columns, Sterling
- Comptometer (Felt & Tarrant), Model 3D11, 12 columns, decimal (converted)
- Comptometer (Felt & Tarrant Ltd), Model 992, 12 columns, Sterling, electric
- Comptometer (Sumlock), Model 12B, 12 columns, decimal (converted)
- Comptometer (Sumlock), Model 12D, 12 columns, Sterling, dual register, electric
- Comptometer (Sumlock), Model 9B, 12 columns, decimal
- Concise Circular Slide Rule, Model 300
- Contex (Denmark)
- Contex adder, half-keyboard, Model A, 8 columns, Sterling (3 versions)
- Contex adder, half-keyboard, Model A, 8 columns, decimal (2 versions)
- Contex adder, half-keyboard, Model B, 8 columns, (3 versions)
- Contex Model 10, 10-key, 10 digit, manual
- Contex Model 20, 10-key, 10 digit, electric
- Contex Model 30, 10-key, 10 digit, semi-automatic
- Contex Model 55, 10-key, 10 digit, fully automatic
- Corona (Barrett) Portable, printing, 7/8 columns, decimal, manual
- Curta miniature calculator, Type 1, 8x6x11 (2 versions)
- Curta miniature calculator, Type 2, 11x8x15
D
- Dacometer 508 adder, half-keyboard, 8/9 columns, Sterling (no farthings)
- Dacometer 508 adder, half-keyboard, 8/9 columns, decimal
- Diehl Model EVM18S, 9x8x18, fully automatic
- Diehl Transmatic S, 10-key, printing, fully automatic
- Diehl Decima, 10-key, printing, fully automatic
E
- Egli, Hans W (Zurich, Switzerland)
- Millionaire Calculating Machine, direct multiplication, 8x8x16, slide set, manual
- Millionaire Calculating Machine, direct multiplication, 8x8x16, key set, manual
- MADAS Calculating Machine, 7x7x12, slide set, manual
- MADAS Calculating Machine, 8x9x16, slide set, manual
- Madas Portable, Model 20L, 10x10x20, semi-automatic
- Madas Portable, Model 20AZV, 10x10x20, fully automatic
- Madas Model 20LZS, 10x10x20, semi-automatic
- Madas Model 20ATG, 10x10x20x20, fully automatic
- Madas Model 20BTG, 10x10x20x20, fully automatic
- Madas Model 20BTG, 10x10x20x20, fully automatic, with multiplication counter
- Madas Model 20BS, 10x10x20, fully automatic
- Exactus "Mini-Add", slide adder, 8 columns, Sterling
- Exactus "Mini-Add", desktop slide adder, 10 columns, Sterling
F
- Facit (Sweden)
- Facit Model "Standard", 9x10x15, manual
- Facit Model S, 10x8x13, manual
- Facit Model TK, 9x8x13, manual (two versions)
- Facit Model LX, 10x10x19, manual
- Facit Model NLX, 10x10x19, manual
- Facit Model NTK, 9x8x13, manual (two versions)
- Facit Model C1-13, 9x8x13, manual (five versions)
- Facit Model CM2-16, 11x9x16, manual
- Facit Model CM2-16S, 11x9x16, manual
- Facit Model CM2-13S, 9x8x13, manual
- Facit Model 10-04, 11x9x16, manual
- Facit Model NE, 9x8x13, electric
- Facit Model NEA, 9x8x13, electric
- Facit Model ESA-0, 9x8x13, electric
- Facit Model CA1-13, 9x8x13, electric (four versions)
- Facit Model CA2-16, 11x9x16, electric
- Facit Model CA2-16SX, 11x9x16, electric
- Facit Model 10-07, 11x9x16, electric
- Facit Model 1124, electronic, 14 digit, DTL-SSI, 1968
- Facit Model 1135J, electronic, 16 digit, 7-chip LSI, 1971
- Facit Model 1111 (Sharp EL-8), electronic, 8 digit, 4-chip LSI, 1970-71
- Facit Model 1148, electronic, 12 digit, printing, 2-chip LSI, 1973
- Fearns-Mear Pipe Flow Calculator circular slide rule
- Felix, pinwheel, 9x8x13, with cover
- Felix Model M, pinwheel, 9x8x13
- Felt & Tarrant Manufacturing Company - see Comptometer
- Flying Fish Model JSY-20 (Monroe LN-200 clone), 10x10x20, manual
- Fowler's "Jubilee Magnum" circular slide rule
- Fractomator (Addiator), 9 columns, Feet & inches
- Friden Calculating Machine Company
- Friden Model C10, 10x11x21, semi-automatic
- Friden Model D10, 10x11x21, semi-automatic
- Friden Model CW10, 10x11x20, semi-automatic
- Friden Model STW10, 10x11x20, fully automatic
- Friden Model SBT10, 10x11x20, fully automatic
- Friden Model SVE, 10x11x20, fully automatic
- Friden (Singer/Clary) Model 210, 10-key, printing, 10 columns, electric
- Friden Model EC-132, electronic, discrete component, 1966
G
H
I
J
- Jaguar (Maruzen) Model K2, 10-key, printing, 8/9 columns, decimal, manual
- Jaguar (Maruzen) Model EK2, 10-key, printing, 8/9 columns, decimal, electric
K
L
- Lagomarsino (Milan, Italy)
- Lagomarsino Numeria Model 5905, 10x11x21, axial pinwheel, manual
- Lagomarsino ElettroNumeria Model 8925, 10x11x21, axial pinwheel, semi-automatic
- Lagomarsino SterliNumeria Model 8725, axial pinwheel, semi-automatic, Sterling
- Lagomarsino Totalia Model 8381, 10-key, printing, 12/13 column, fully-automatic
- Lagomarsino Totalia Model S4-GT, 10-key, printing, 14/15 column, fully-automatic
- Lightning Calculator, 7-dial adder, Sterling
- London Computator Corporation - see PLUS
M
- MADAS - see Egli, Hans W (Zurich)
- Marchant Calculating Machine Company
- Marchant Model DRB8, 9x9x18, modified pinwheel, manual
- Marchant Model DRB10, 10x9x20x16, modified pinwheel, motor drive
- Marchant Model H9, 9x9x18, modified pinwheel, manual
- Marchant Silent Speed Model 10D, 10x10x20, semi-automatic
- Marchant Silent Speed Model 10ACT, 10x10x20, fully automatic
- Marchant Figurematic, Model 10DRX, 10x10x20, fully automatic
- Marchant Figurematic, Model 10ADX, 10x10x20, fully automatic
- Marchant TransFlo, Model TR10FA, 10x10x20, fully automatic
- Marchant Deci-Magic, Model SKA, 10x11x20, fully automatic
- SCM Marchant TransFlo, Model TR, 10x10x20, fully automatic
- Maruzen (Jaguar) Model K2, 10-key, printing, 8/9 columns, decimal, manual
- Maruzen (Jaguar) Model EK2, 10-key, printing, 8/9 columns, decimal, electric
- Millionaire calculating machine - see Egli, Hans W (Zurich)
- Monarch (Remington) Model 93, printing, 10 columns, decimal, electric
- Monotype (Barrett), printing, 9/12 columns, decimal, manual
- Monotype (Barrett) Model 152, printing, 9/12 columns, Sterling, manual
- Monroe Calculating Machine Company
- Monroe Model K "High Speed Adding Calculator", 8x8x16, manual
- Monroe Model KA "High Speed Adding Calculator", 8x8x16, motor drive
- Monroe Model L160X "Executive", 8x8x16, manual, portable
- Monroe Model LA5-160, 8x8x16, motor drive
- Monroe Model LA5-200, 10x10x20, motor drive
- Monroe Model MA3, 10x10x20, motor drive
- Monroe Model MA7, 10x10x21, semi-automatic
- Monroe "MonroMatic" Model CSA-10, 10x10x20, fully automatic
- Monroe "MonroMatic" Model 6N-212, 10x11x21, fully automatic
- Monroe "MonroMatic" Model 8N-213, 10x11x21, fully automatic
- Monroe "MonroMatic" Model 88N-213, 10x11x21x21, fully automatic
- Litton "MonroMatic" Model 6F-212, 10x11x21, fully automatic
- Monroe Model 150, 10-key, printing, 12/13 columns, electric
- Monroe Model 410, 10-key, printing, 10 columns, Sterling, wide-carriage, electric
- Monroe Model 800, 10-key, printing, 10 columns, Sterling, electric
- Monroe Model 811, 10-key, printing, 8/9 columns, manual
- Monroe "Mach 1", 10-key, printing, 10/15 columns, fully automatic
- Monroe Model 40, electronic, portable, 10 digits, 1974
- Muldivo Mentor (Walther WSR-160), pinwheel, 10x8x16
- Multifix miniature calculator, 6x6x11
- Multo - see Addo
N
O
- Olivetti (Ivrea, Italy)
- Olivetti Divisumma 24, 10-key, printing, 12 columns, electric, fully automatic
- Olivetti Divisumma 26GT, 10-key, printing, 12 columns, electric, fully automatic
- Olivetti Elettrosumma 14, 10-key, printing, 10 columns, electric
- Olivetti Elettrosumma 20, 10-key, printing, 10 columns, electric
- Olivetti Elettrosumma 22, 10-key, printing, 12 columns, electric, Sterling
- Olivetti Elettrosumma 22, 10-key, printing, 12 columns, electric
- Olivetti Elettrosumma 23, 10-key, printing, 12 columns, electric
- Olivetti Multisumma 20, 10-key, printing, 10 columns, electric
- Olivetti Multisumma 24, 10-key, printing, 12 columns, electric
- Olivetti Summa 15, 10-key, printing, 10 columns, manual, Sterling
- Olivetti Summa "Prima 20", 10-key, printing, 10 columns, manual, Sterling
- Olivetti Summa "Prima 20", 10-key, printing, 10 columns, manual (2 versions)
- Olivetti Summa "Quanta 20", 10-key, printing, 10 columns, electric
- Olivetti Summa "Quanta 20R", 10-key, printing, 8 columns, electric
- Olivetti Underwood 200 (Prima 20), 10-key, printing, 10 columns, manual
- Olivetti Logos 240, electronic, printing, 16 digit, 1970
- Olivetti Divisumma 422, electronic, printing, 12 digit, 1980s
- Olympia (Wilhelmshaven, Germany)
- Olympia 1182, 10-key, printing, 8/9 columns, manual
- Olympia AM, 10-key, printing, 8/9 columns, electric
- Olympia RAS-12, 10-key, printing, 11/12 columns, automatic multiplication
- Olympia RA-20, 10-key, 10x11x20, fully automatic
- Olympia Model CP-1210, electronic, 15 digit, printing, 1976
- Olympia Model CD-402, electronic, 12 digit, desktop, 1976
- Olympia Model CD-430, electronic, 12 digit, desktop, 1980
- Original-Odhner (Goteborg, Sweden)
- Original-Odhner "LUSID", pinwheel, 10x15x10
- Original-Odhner Model 11, pinwheel, 10x11x20
- Original-Odhner Model 22, pinwheel, 10x8x13
- Original-Odhner Model 23, pinwheel, 10x8x13
- Original-Odhner Model 27, pinwheel, 10x8x13
- Original-Odhner Model 29, pinwheel, 10x8x13
- Original-Odhner Model 125, pinwheel, 10x11x20
- Original-Odhner Model 127, pinwheel, 10x8x13
- Original-Odhner Model 227, pinwheel, 10x8x13
- Original-Odhner Model 239, pinwheel, 10x8x13
- Original-Odhner Model 1049, pinwheel, 10x8x13
- Original-Odhner Model LX11C-5, 10-key, printing, 10/11 columns, Sterling, electric
- Original-Odhner Model E11C-2, 10-key, printing, 10/11 columns, electric
- Original-Odhner Model XX11C-9, 10-key, printing, 10/11 columns, electric, with multiplier
- Original-Odhner Model 1207, 10-key, printing, 10/11 columns, electric
- Otis King's Cylindrical Slide Rules, Models K and L
P
- Peter Pan educational adding machine, 4 columns, decimal
- PLUS Rapid Adder (Bell Punch Company, London)
- Plus Rapid Adder (Bell Punch), Model A, half keyboard, 9 columns, Sterling
- Plus Rapid Adder (London Computator), half keyboard, 9 columns, Sterling
- Plus Rapid Adder (London Computator), half keyboard, 12 columns, Sterling
- Plus Rapid Adder (Bell Punch), half keyboard, 6 columns, Sterling
- Plus Rapid Adder (Bell Punch), half keyboard, 9 columns, converted to decimal
- Plus Rapid Adder (Bell Punch), half keyboard, 9 columns, late green, converted to decimal
- Plus Rapid Adder (Bell Punch), half keyboard, 9 columns, late beige, decimal
- Portable (Barrett/Corona) , printing, 7/8 columns, decimal, manual
- Precisa Model 160-12, 10-key, printing, 12/13 columns, decimal, electric
R
- Rambler (Ricoh Alexe) 5-dial push-button adder, decimal
- Remington Monarch Model 93, printing, 10 columns, decimal, electric
- Resulta 7 adding machine, 7 columns, decimal
- Resulta 9 Export adding machine, 9 columns, decimal
- Ricoh Alexe (Rambler) 5-dial push-button adder, decimal
- Royal Office Master, 10-key, printing, 9 columns, manual
- Royal compact, 10-key, printing, 9 columns, manual
S
- Schubert Model DRV, pinwheel, 10x8x13
- SCM Hamann 505 Tenkeymaster, 9x8x16, fully automatic
- SCM Marchant TransFlo, Model TR, 10x10x20, fully automatic
- Slide Rules
- Slide Rule, 10", Aristo "Scholar" Model 0903
- Slide Rule, 10", Service, Made in Australia
- Slide Rule, 10", W&G Model 432, Made in Australia
- Slide Rule, Circular, Concise Model 300
- Slide Rule, Circular, Fowler's Jubilee Magnum
- Slide Rule, Circular, Fearns-Mear Pipe Flow Calculator
- Slide Rule, Cylindrical, Browne Model F.C.46, Made in Australia
- Slide Rule, Cylindrical, Otis King
- Soemtron Model 209, 9x8x17, semi-automatic
- Soemtron Model 215, 9x8x17, fully automatic
- Solo Handy Adding Machine, 7 digit, decimal
- Speedee "Add-a-Matic", half keyboard adder, 9 digit, decimal
- Sumit adding machine, 8 columns, decimal
- Sumlock (Bell Punch Company, London)
- Sumlock (Bell Punch) comptometer, 12 columns, Sterling
- Sumlock (Bell Punch) comptometer, 12 columns, converted to decimal
- Sumlock (Bell Punch) comptometer, 12 columns, dual register, Sterling, electric
- Sumlock (Bell Punch) "Figure-flow" comptometer, 9 columns, decimal
- Sumlock (Bell Punch) "Duolectric" comptometer, 12 columns, dual register, decimal, electric
- Sumlock (Bell Punch) "Sumlomatic" comptometer, 12 columns, dual register with multiplier, electric
- Swift Handy Calculator, 7 digit, decimal
T
- TEC Model AM-601, 10-key, printing, 10/11 columns, decimal, electric
- Thales Model A, pinwheel, 9x8x13
- Tiger, pinwheel, 9x8x14
- Tiger, modified pinwheel, 10x10x20
- Totalia - see Lagomarsino (Milan, Italy)
- Triumphator, pinwheel, 9x8x13, c.1914
U
- Underwood Sundstrand Model 8112, 10-key, printing, 8/9 columns, Sterling
- Underwood Sundstrand Model 10150, 10-key, printing, 8/9 columns, Sterling
- Underwood 200 (Olivetti Prima 20), 10-key, 10 digit, printing, manual
V
- Victor Adding Machine Company, Chicago, USA
- Victor 500 Series, 10 columns, manual, Sterling (with farthings)
- Victor (UK) 600 Series, 8/9 columns, manual, Sterling
- Victor (UK) 600 Series, 8/9 columns, electric, Sterling
- Victor Custom, Model 60-60-4, 10/11 columns, electric, Sterling
- Victor Model 6-83-4, 8/9 columns, manual, full keyboard
- Victor Model 7-83-4, 8/9 columns, manual, ten-key
- Victor Tallymaster, Model 7-7-0, 7/8 columns, manual, ten-key, addition only
- Victor Tallymaster, Model 37-7-0, 7/8 columns, manual, ten-key, addition only
- Victor Tallymaster, Model 37-57-50, 7/8 columns, electric, ten-key
- Victor Digit-Matic, Model 12-08-121, 8 columns, electric, solenoid operated
- Victor Premier, Model 71-85-54, 10/11 columns, electric, ten-key
- Victor 1800, Model 18-1721, electronic, 14 digit, scientific, 1973
- Victor Medalist, Model 204, electronic, 12 digit, 1976
W
- Walther (Germany)
- Walther Model RMKZ, pinwheel, 10x8x13
- Walther Model WSR-160 (Muldivo Mentor), pinwheel, 10x8x16
- Walther P12 (Comptograph 101), 10-key, printing, 11/12 column, electric
- Walther Comptess (1963), 10-key, printing, 11/12 column, electric
- Walther Comptess (1972), 10-key, printing, 11/12 column, electric
- Walther Diwa 32, 10-key, printing, 11/12 column, electric, fully automatic ASMD
- Walther ETR-1031S, electronic, desktop, 1973
- W&G Slide Rule Model 432, 10", Made in Australia
Early Electronic Calculators
- Canon, Japan
- Canon Model 1210, 12 digit, DTL, 1970
- Canon Model 162P, 16 digit, DTL, fixed program, 1969
- Canon Model 164P, 16 digit, DTL, programmable, 1970
- Canon Model 167P, 16 digit, DTL/LSI, programmable, 1971
- Canon Model SE-600, 16 digit, TTL, programmable, printing, 1971
- Canon Model L121, 12 digit, 4-chip LSI, 1971
- Canon Model L100S, 10 digit, single-chip LSI, 1972
- Canon Model L800, 8 digit, LSI, 1973
- Canon Model L802, 8 digit, LSI, 1974
- Canon Model L1210, 12 digit, LSI, 1974
- Canon Model L1214, 12 digit, LSI, battery-powered desktop, 1975
- Canon Model L1217, 12 digit, LSI, 1976
- Casio Computer Company, Japan
- Casio Model AL-2000, DTL, programmable, core memory, 1969
- Casio Model 121-K, LSI, 12 digit, 1970
- Casio Model AS-8S, 8 digit, 1972
- Casio Model 101L, 10 digit, 1973
- Casio Model 8E, portable, 8 digit, LED, 1973
- Casio Mini, Model CM602, portable, 6/12 digit, 1973
- Casio Mini Memory, portable, 8/16 digit, 1974
- Casio Personal Mini, Model CM607, portable, 6/12 digit, 1975
- Casio Pocket Mini, Model CP-801, portable, 8 digit, 1975
- Casio Computer Quartz, Model CQ-1, 8 digit calculator/clock, 1976
- Casio Mini Card, Model LC-78, 8 digit "credit card", 1978
- Compucorp (Computer Design Corporation, USA)
- Facit, Sweden (made by Sharp)
- Facit Model 1111 (Sharp EL-8), 8 digit, 4-chip LSI, 1970-71
- Facit Model 1124, electronic, 14 digit, DTL-SSI, 1968
- Facit Model 1135J, 16 digit, 7-chip LSI, 1971
- Facit Model 1148, 12 digit, 2-chip LSI, printing, 1973
- Friden Model EC-132, discrete component, 1966
- Hewlett-Packard, USA
- HP Model 9100B, programmable (core memory), 1968
- HP Model 9810, programmable, printing, 1972
- HP Model 35, pocket, scientific, 1972
- HP Models 35, 45, 67, pocket, scientific, 1972-75
- HP Models 21, 25, 29C, pocket, scientific, 1975
- HP Model 97S I/O Calculator, printing, 1977
- HP Model 19C, pocket, scientific, printing, 1978
- Olivetti, Italy
- Olympia, Germany
- Olympia Model CP-1210, electronic, 15 digit, printing, 1976
- Olympia Model CD-402, 12 digit, desktop, 1976
- Olympia Model CD-430, 12 digit, desktop, 1980
- Sanyo Electric Co, Japan
- Sharp, Japan
- Sharp Model EL-8 (Facit Model 1111), portable (battery), 1970-71
- Sharp Model EL-8M, portable (battery), 1971
- Sharp Model EL-816, portable, 1973
- Sharp Model EL-8102, portable, 1973
- Sharp Model EL-808, portable, reflective LCD, 1974
- Sharp Model EL-120, portable, 3-digit, 1974
- Sharp Model EL-8002, portable, 1974
- Sharp Model EL-8011, pocket, 1975
- Sharp Model EL-1101, portable, 1975
- Sharp Model EL-8113S, pocket, scientific, 1975
- Sharp Model EL-501, pocket, scientific, 1977
- Sharp Model PC-1201, "pocket computer", 1977
- Sharp Model EL-803, desktop, 1972
- Sharp Model EL-804, desktop, 1973
- Sharp Model CS-2101, desktop, 1973
- Sharp Model CS-743R, desktop, printing, 1973
- Sharp Model PC-1001, desktop, scientific, programmable, 1973
- Sumlock (Anita) Model 1011, 1970
Original text and images Copyright © John Wolff 2002-09.
Last Updated: 20 November 2009
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