Sharp EL-345 Handheld Electronic Calculator

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This solar-powered handheld electronic calculator has a plastic case and an array of twenty-five rectangular plastic keys. These include ten digit keys, a decimal point key, a % key, four arithmetic function keys, a total key, a change sign key, a square root key, a clear entry key, and a clear key (the clear key is missing on this example). The top row of keys also includes four memory keys.
Behind the keyboard is an eight-digit LCD display. Behind it is the solar panel. Text at the top of the front reads: SHARP (/) ELSI MATE EL-345 SOLAR CELL CALCULATOR. Text on the back of the calculator reads: EL-345 BM (/) SHARP CORPORATON MADE IN JAPAN (/) FABRIQUE AU JAPON (/) U.S. Pats. 3902169 & 3976994 (/) 3635.
The calculator fits in a brown plastic wallet. A mark on the cover of the wallet reads: SHARP.
[Advertisement], Los Angeles Times, October 12, 1983, p. Y10_X. Sharp EL-345 advertised as regularly priced at $9.95, on sale for $5.99.
[Advertisement], Washington Post, September 17, 1985, p. D13. Sharp EL-345 advertised as selling for $5.95.
[Advertisement], The Montreal Gazette, April 6, 1986, p. 21. Advertised as regularly priced at $9.99, on sale for $7.99 (Canadian dollars).
Currently not on view
date made
Sharp Corporation
place made
Physical Description
plastic (case; keys; wallet material)
glass (display material)
metal (screw materil)
overall: 3/8 in x 2 in x 4 1/4 in; .9525 cm x 5.08 cm x 10.795 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


I work in a lab and we have one of these still working after all these years. Use it every day. Current year 2017.

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