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.