Sharp EL-8118 Handheld Electronic Calculator

Sharp EL-8118 Handheld Electronic Calculator

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Description
This handheld electronic calculator has some but not all of the functions of a scientific calculator. It has a metal and plastic case with twenty rounded square keys and ten rounded rectangular keys, for a total of thirty plastic keys. These include ten digit keys, a decimal point key, a total key, four arithmetic function keys, three memory keys, and a change sign key. Keys in the top row are for powers, squares, inverses, pi, clear/clear entry, “MU Δ%,” “% 5/4,” %, square roots, and dollars. To the right of the keyboard is a switch that can be set at the values 5/4, A, 0, 2, 4, and F. This may relate to the position of the decimal point.
Above the keys is an eight-digit green fluorescent display. A mark above it reads: SHARP ELSI MATE (/) EL-8118 (/) Electronic Calculator. To the right is an on/off switch. A jack for a power adapter is along the back edge.
The back of the calculator has a compartment at the top that holds two AA batteries. A mark below this reads: ELECTRONIC CALCULATOR (/) EL – 8118. It also reads: SHARP CORPORATION (/) MADE IN KOREA. Below this is a paper sticker with American, British, Canadian, Swedish, and Australian patent numbers. The largest U.S. patent number is 3621219.
The calculator has a dark brown leatherette carrying case with a metal snap.
Reference:
[Advertisement], Washington Post, January 13, 1977, p. A19. The Sharp 8118 calculator is listed as regularly priced at $19.95, on sale for $17.95.
Location
Currently not on view
Object Name
electronic calculator
Other Terms
electronic calculator; Handheld
date made
ca 1976
maker
Sharp Corporation
place made
Korea
Physical Description
plastic (part of case; keys; display cover; carrying case material)
metal (circuitry; snap material)
paper (stiecker material)
Measurements
overall: 3/4 in x 3 1/8 in x 5 1/4 in; 1.905 cm x 7.9375 cm x 13.335 cm
ID Number
1986.0988.091
catalog number
1986.0988.091
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
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Comments

I still have, and regularly use, my calculator that I bought in August 1976. Still works as good as the day I obtained it.

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