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Baltronic
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Baltronic mr, a "Standard type 1" calculator. Jan 11.
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Belltronic
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Belltronic '76 photo1, photo2. Details.
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BenRoss
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BenRoss K-80X. Details.
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Berkey (USA company - see also Atlas-Rand and Keystone)
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Berkey 4030.
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Berkey Keystone 350.
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Berkey Omega 100. Featured calculator.
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Binatone (British marketing company)
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Binatone 02 4252. Featured British calculator.
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Binatone Brainwave, inside. Featured British calculator
.
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Binatone CADET. Featured British calculator. Jan 12.
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Binatone Mastermind (aka 02/4503). Featured British calculator.
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Binatone MEMORYMASTER (aka 02-4236). Featured British calculator. Dec 11.
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Binatone President (aka 02-4309). Featured British calculator.
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Binatone Scientific Slide Rule. Featured British calculator.
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BMB (Business Machines Breschi, Italian company)
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BMB 088. Details
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BMB, model number not known. Details
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BMC (Euro-market)
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BMC mark-88. Details.
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BMS (From eastern Europe)
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BMS 112. Details.
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Bohn
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Bohn Instant. Aug 12.
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Bohn Omnitrex.
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Bohn SR1
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Bohsei
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Bohsei 140. Dec 12.
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Bohsei 3000, see also the "Standard Type 1 Calculator" page.
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BOND
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BOND, tiny LED calculator with rechargeable battery pack which plugs straight into an AC socket. Photo with battery pack. Featured calculator. Dec 11.
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Bontronic
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Bontronic 2500, tiny LED calculator. Details.
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Boots (British chain store - a featured British company)
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Boots 224 Memory. Featured British calculator.
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Boots 424 SCIENTIFIC. Featured British calculator.
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Boots 425 SCIENTIFIC. Featured British calculator.
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Boots PD-525. Featured British calculator.
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Bowmar (See the Calculator Companies section for more information.)
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Bowmar, no model number, but this is the "Standard 1" calculator design. Unusually made in Hong Kong, not U.S.A. Details.
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Bowmar 901B. Featured calculator.
Bowmar 901B and Craig 4501 (American companies, these models made in USA, first USA models - Fall 1971)
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Bowmar 901D "Ten". Dec 12.
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Bowmar_905 (type 1). Oct 11.
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Bowmar 905 (type 2)
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Bowmar 90506.
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Bowmar 90601, Details.
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Bowmar Century Mark IV (model 90512). This model could possibly have been made for sale by another company using the "Century Mark IV" trade name. It is featured in the Puzzle Corner page of this site.
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Bowmar Count
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Bowmar Mathmate 2 (3rd digit faulty in this example). Details.
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Bowmar MX25. Jul 11.
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Bowmar MX35.
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Bowmar MX50.
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Bowmar MX55, circuit board.
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Bowmar MX70.
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Bowmar MX75.
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Bowmar MX90.
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Bowmar MX120 "Superbrain". Photo 2, showing the attachable, fold-back, keyboard cover. Apr 11.
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Bowmar MX140
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Bradford
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Bradford 8DPS
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Braun (Germany company)
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Braun ET-23
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Brinlock (Euro-market)
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Brinlock 33. Details.
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Brinlock 34. Details.
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Brinlock 806. Details.
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Brinlock 806MII. Details.
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Brinlock 806MD
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Brother
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Brother 201. Details.
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Brother Procal 408. Featured calculator.
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Brother 408AD. Details.
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Brother 408AY
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Brother 408AZ
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Brother 508S
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Brother 508Y
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Brother 518ER
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Brunsviga (See the Calculator Companies section for more information.)
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Brunsviga 10R ("Der Braunschweiger")
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Brunsviga B22, inside. Details.
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BTC
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BTC Micro4. Details.
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Busicom (Originally a Japanese company, early calculators were made in Japan, but the company closed in the
1974 and the name was bought by Broughtons of Bristol, UK., which put the Busicom badge on calculators made by others. See the Calculator Companies section for more information.)
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Busicom 60DB (note: the display is faulty), inside. Details
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Busicom 118B. Featured British calculator.
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Busicom 801DD
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Busicom-Colex 812-SL. Featured British calculator.
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Busicom LE-80A "handy". Featured calculator.
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Busicom LE-100A "handy". Featured calculator.
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Busicom LE-120A "HANDY-LE". Featured calculator
. The first Japanese pocket calculator, winter 1970/1971.
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Busicom LE-120S "handy". Featured calculator.
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Busicom PA-80S, Pico PA 90D, Vista Z48P
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Busicom (unknown model number). Featured British calculator.
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