Aurora Desk Calculator 12 Digit DT85V

12 Digits. Two independent 3 key memories. Angled display. Square root key. +/- Change sign key. Backspace correction key. Selectable decimal point: F, 3, 2, 0, A. Rounding. Double zero key. Extra large commonly used keys for easy entry. Robust, heavy-duty model. Power source: Solar/Battery (LR54, supplied). WxDxH: 140x198x46mm.