Baltronic

Baltronic mr, a "Standard type 1" calculator.

Barroq (made in Spain)

Barroq F-80, inside, made in Spain. Details.

Belltronic

Belltronic '76 photo1, photo2. Details.

Benkson

Benkson C1, Hong Kong. Details.

BenRoss

BenRoss K-80X. Details.

Berkey (USA company - see also Atlas-Rand and Keystone)

Berkey 4030.

Berkey Keystone 350.

Berkey Omega 100. Featured calculator.

Binatone (British marketing company)

Binatone 02 4252. Featured on British calculator site.

Binatone Brainwave, inside. Featured on British calculator site.

Binatone CADET. Featured on British calculator site.

Binatone Mastermind (aka 02/4503). Featured on British calculator site.

Binatone MEMORY. Featured on British calculator site.

Binatone MEMORYMASTER (aka 02-4236). Featured on British calculator site.

Binatone P-805.

Binatone President (aka 02-4309). Featured on British calculator site.

Binatone Scientific Slide Rule. Featured on British calculator site.

BMB (Business Machines Breschi, Italian company)

BMB 088. Details

BMB S-25. Details

BMC (Euro-market)

BMC mark-88. Details.

BMS (From eastern Europe)

BMS 112. Details.

BMS SC56. Details.

Bohn

Bohn Instant.

Bohn Omnitrex.

Bohn SR1

Bohsei

Bohsei 140.

Bohsei 3000, see also the "Standard Type 1 Calculator" page.

BOND

BOND, tiny LED calculator with rechargeable battery pack which plugs straight into an AC socket. Photo with battery pack. Featured calculator.

Bontronic

Bontronic 2500, tiny LED calculator. Details.

Boots (British chain store - a company featured on British calculator site)

Boots 224 Memory. Featured on British calculator site.

Boots 424 SCIENTIFIC. Featured on British calculator site.

Boots 425 SCIENTIFIC. Featured on British calculator site.

Boots PD-525. Featured on British calculator site.

Bowmar (See the Calculator Companies section for more information.)

Bowmar, no model number, but this is the "Standard 1" calculator design. Unusually made in Hong Kong, not U.S.A.  Details.

Bowmar 901B. Featured calculator.
Bowmar 901B and Craig 4501 (These were the first hand-held calculators made in USA, in Fall 1971).

Bowmar 901B with tan-colored casing. Featured calculator.

Bowmar 901D "Ten".

Bowmar_905 (type 1).

Bowmar 905 (type 2)

Bowmar 90506.

Bowmar 90601.  Details.

Bowmar 90911.

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.

Bowmar Count

Bowmar Mathmate 2 (3rd digit faulty in this example).  Details.

Bowmar MX25.

Bowmar MX35.

Bowmar MX50.

Bowmar MX55, circuit board.

Bowmar MX70.

Bowmar MX75.

Bowmar MX90.

Bowmar MX100.

Bowmar MX120 "Superbrain". Photo 2, showing the attachable, fold-back, keyboard cover.

Bowmar MX140

Bradford (Distributed by W.T. Grant Co., New York)

Bradford 8DPS

Braun (Germany company)

Braun ET-23

Bright - See New Bright

Brinlock (Euro-market)

Brinlock 33. Details.

Brinlock 34. Details.

Brinlock 806. Details.

Brinlock 806MII. Details.

Brinlock 806MD

Brother

Brother 201. Details.

Brother Procal 408. Featured calculator.

Brother 408AD. Details.

Brother 408AY

Brother 408AZ

Brother 508A.

Brother 508AD.

Brother 508S

Brother 508Y

Brother Procal 508Z. Details.

Brother 518AD. Details.

Brother 518ER

Brother 827A.

Brother 863.

Brunsviga (See the Calculator Companies section for more information.)

Brunsviga 10R ("Der Braunschweiger")

Brunsviga B22, inside. Details.

Brunsviga EDC-812A, rear. Details. Jun 23.

BTC

BTC Micro4. Details.

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 about Busicom.)

Busicom 60DB (note: the display is faulty), inside. Details.

Busicom 118B. Featured on British calculator site.

Busicom 612. Details.

Busicom 801DD

Busicom-Colex 812-SL. Featured on British calculator site.

Busicom LE-80A "handy". Featured calculator.

Busicom LE-100A "handy". Featured calculator.

Busicom LE-120A "HANDY-LE". Featured calculator. The first pocket-size electronic calculator, launched in winter 1970/1971.

Busicom LE-120S "handy". Featured calculator.

Busicom PA-80S, Pico PA 90D, Vista Z48P

Busicom (unknown model number). Featured on British calculator site.