Unisonic 1148 Handheld Electronic Calculator

Description
This handheld electronic calculator has a metal and plastic case with an array of twenty-six rectangular plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. In addition there are two parenthesis keys, a square root key, a percentage key, a clear/clear entry key, an inverse key, and a squaring key. On the right side next to the two topmost keys is the on/off switch. A mark above this reads: Unisonic 1148.
A jack for a power supply is along the back edge.
A sticker on the back of the calculator gives calculation examples. It is marked in part: SERIAL NO. (/) 001202 (/) MADE IN JAPAN. A further mark reads: 1148-A. Below this is a compartment for three AA batteries.
No advertisements found.
Reference:
The BECALC vintage calculator website dates the Unisonic 1148 calculator to 1979.
Location
Currently not on view
date made
ca 1979
maker
Unisonic
place made
Japan
Physical Description
plastic (case; display cover; keys material)
paper (sticker material)
metal (keyboard; trim; circuitry material)
Measurements
overall: 7/8 in x 2 3/4 in x 4 3/4 in; 2.2225 cm x 6.985 cm x 12.065 cm
ID Number
1986.0988.290
catalog number
1986.0988.290
accession number
1986.0988
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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