Casio Desktop Calculator MS-20UC-GN. 5/4 function: no. Auto round-off: no. Tax calculations: yes. Power supply type: solar, battery. Correction key: yes. Cost, sell and margin function: no. Mantissa and Exp: no. Display type: LCD. Double zero key: yes. Thousands separator: yes. Memory keys: 3. Variable memory: no. Grand total: yes. Brackets: no. Decimal selector: no. Margin: yes. Natural display: no. Percentage function: yes. Statistical calculations: no. Sign change: yes. Textbook display: no. Time calculations: yes. Up function: no. Currency conversion: no. Profit calculation: no. Square root function: yes. Cut-off function: no. Supported battery size: LR44. Dimensions: 149.5 mm x 22.8 mm x 105 mm (h x w x d). Colour: white.