Lloyd's Accumatic 611 Handheld Electronic Calculator

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This handheld electronic calculator has a metal case with plastic trim, keys, display cover, and carrying sleeve. The twenty-eight rectangular keys include ten digit keys, a decimal point key, a total key, four arithmetic function keys, and four memory keys. Above these is a row with a clear entry key, an exchange key, a square root key, an inverse key, and a squared key. Above this is a row with a clear key, percentage key, and change sign key. Also in this row is an on/off switch.
Behind the keyboard is an eight-digit vacuum fluorescent display. Text behind this reads: LLOYD’S ACCUMATIC 611. A jack for a power cord is on the back edge.
The back of the calculator has a compartment for three batteries at the top. A sticker below this reads in part: LLOYD’S 4.5V D. C. 300mw (/) MODEL E611 SERIES 260A. Below this are instructions for operating the calculator. Further text below this reads: SERIAL NO. 6J 007782 (/) MADE IN TAIWAN.
The brown plastic carrying case is about the size of a checkbook. Date made up by comparison with similar calculators.
No advertisements found. For further information about Lloyd’s Electronics, Inc., see 1986.0988.218.
Currently not on view
date made
Lloyd's Electronics
place made
Physical Description
metal (case; circuitry material)
plastic (keys; dislay cover material)
paper (sticker material)
overall: 1/2 in x 2 7/8 in x 5 1/2 in; 1.27 cm x 7.3025 cm x 13.97 cm
ID Number
catalog number
accession number
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


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