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File:Vintage Sharp Elsi Mate Pocket Electronic Calculator, Model EL-304, LCD Display, Made In Japan, Year Introduced - 1980, Year Discontinued - 1981 (16388607237).jpg - Wikimedia Commons
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Sharp Elsi Mate EL-243SB Simple Calculator - LCD Display, Hard Shell Cover, Dual Power, 3-Key Memory, Compact, Large Display - LED - Battery/Solar Powered - Handheld-EL243SB : Available at Mobile Store in
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