Casio Desk Calculator MS-20UC-BU. 5/4 Function: No. Auto Rounding: No. Tax Calculations: Yes. Power Supply Type: Solar, Battery. Correction Key: Yes. Cost, Sell, Margin Function: No. Mantissa and Exp.: No. Display Screen Type: LCD. Double Zero Key: Yes. Thousands Seperator: Yes. Memory Keys: 3. Variable Memory: No. Grand Total: Yes. Parentheses: No. Decimal Select: No. Margin: Yes. Naturel Display: No. Percentage Function: Yes. Statistical Calculations: No. Sign Changing: Yes. Text Book Display: No. Time Calculation: Yes. Up Function: No. Currency Conversion: No. Profit Calculation: No. Square Root Function: Yes. Cut Function: No. Battery Size Supported: LR44. Dimensions: 23 x 105 x 149.5 mm (h x w x d). Colour: Blue.