Bohsei LCD-700 Handheld Electronic Calculator

Description
This silver-colored electronic calculator has black plastic keys and trim. In addition to ten digit keys and a decimal point key, it has three memory keys, four arithmetic function keys, a percentage key, a square root key, a change sign key, a clear key, a clear entry key, and a total key. The on/off switch is at the upper left corner of the keyboard. A mark above the keyboard reads: BOHSEI (/) LCD-700. Behind this is the eight-digit liquid crystal display.
A mark stamped on the back of the calculator reads: MADE IN HONG KONG.
Newspaper advertisements indicate that a printing desktop electronic calculator sold under the Bohsei name in 1977. A 1978 advertisement in the Santa Cruz Sentinal lists the LCD-700, indicating that its battery (not accessible) lasts ups to eight hundred hours. In 1981, advertisements describe a Bohsei wallet-sized calculator and a Bohsei credit card-sized calculator, which are different models.
References:
Chicago Tribune, November 24, 1977, p. T12.
Santa Cruz Sentinal, May 31, 1978, p. 5.
Los Angeles Times, March 6, 1981, p. F17.
Location
Currently not on view
date made
ca 1978
place made
Zhonghua: Hong Kong
Physical Description
aluminum (case material)
plastic (edges; keys; display window material)
Measurements
overall: 3/8 in x 2 1/2 in x 4 1/2 in; .9525 cm x 6.35 cm x 11.43 cm
ID Number
1987.0435.21
accession number
1987.0435
catalog number
1987.0435.21
Credit Line
Gift of John B. Priser
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Computers & Business Machines
Data Source
National Museum of American History, Kenneth E. Behring Center

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