Unisonic LC-200 Handheld Electronic Calculator

This compact, thin handheld electronic calculator has a silver and brown colored metal case and an array of twenty-five rectangular plastic keys. These include ten digit keys, four arithmetic function keys, a decimal point key, and a total key. The calculator also has four memory keys and square root, percentage, clear entry, and clear keys. The off key is on the left in the top row of keys.
Behind the keyboard is an eight-digit LCD display. Behind it is a mark that reads: Unisonic (/) LC-200.
A mark on the back of the calculator reads: LIQUID CRYSTAL CALCULATOR (/) RATING: DC 3V 0.0005W (/) 625 TYPE BATTERY x 2. Further text reads: MADE IN HONG KONG. Unscrewing two screws at the bottom of the case reveals a brown plastic circuit board and two batteries above it. A mark on the chip reads: A1.
The calculator comes with a worn plastic case and a set of instructions in both English and French.
Compare 1986.0988.321.
For information about Unisonic, see 1986.0988.371.
[Advertisement], Chicago Tribune, January 4, 1979, p. I8. On sale for $12.99. Price includes case. The calculator shown in this advertisement resembles this calculator more than 1986.0988.321.
Currently not on view
Object Name
electronic calculator
date made
ca 1979
Physical Description
metal (case material)
plastic (keys; carrying case material)
glass (display material)
paper (instructions material)
overall: 3/8 in x 2 1/2 in x 4 3/8 in; .9525 cm x 6.35 cm x 11.1125 cm
place made
Zhonghua: Hong Kong
ID Number
accession number
catalog number
Computers & Business Machines
Handheld Electronic Calculators
See more items in
Medicine and Science: Computers
Handheld Electronic Calculators
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Gift of John B. Priser
Additional Media

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