Casio Desk Calculator MH-12. 5/4 Function: No. Auto Rounding: No. Tax Calculations: No. 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: No. Memory Keys: 4. Variable Memory: No. Grand Total: Yes. Parentheses: No. Decimal Select: No. Margin: No. Naturel Display: No. Percentage Function: Yes. Statistical Calculations: No. Sign Changing: Yes. Text Book Display: No. Time Calculation: No. Up Function: Yes. Currency Conversion: No. Profit Calculation: No. Square Root Function: Yes. Cut Function: No. Battery Size Supported: LR44. Dimensions: 27.6 x 127 mm (h x w). Colour: White.