This compact Casio desktop calculator is reliable and durable. It has a large 12-digit display and 3-key memory. It includes functions like cost sell margin calculation, Euro currency conversion and advanced percentage calculation. Desktop calculator with large 12-digit display 3-key memory Advanced percentage calculation including mark-up Cost Sell Margin calculation Euro currency conversion Rounding option, Backspace key Selectable decimal place function Grand total memory, double zero key Algebraic sign change Solar or battery powered