Sharp EL104 Handheld Electronic Calculator | National Museum of American History
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
A curious hybrid
Sharp EL-500 Handheld Electronic Calculator | National Museum of American History
Amazon.com : Sharp EL-330WB Standard Function Basic Desktop Calculator, Large Display, For Home and Office, Dual Power, Solar and Battery : Office Products