DONAU TECH/K-DT4161-01 Desktop Calculator 16-Digit Root Function 199 x 153 x 31 mm Colour: Black Calculator with 16-Digit Display Dual Power Solar Battery Operated Compact Design
Donau Tech K-DT5161-01 Desk Calculator 16 Digit Display 201 x 155 x 35 mm Black Dual Power Solar Battery Operated Compact Design
Donau Tech K-DT5081-01 Desk Calculator 8-Digit Display 137 x 101 x 30 mm Black Dual Power Solar Battery Operated Compact Design
