Office Depot Deskop Calculator AT-814. Tax Calculations: Yes. Text Book Display: No. Thousands Separator: Yes. Time Calculation: No. Up Function: No. Statistical Calculations: No. Square Root Function: No. Sign Changing: Yes. Profit Calculation: No. Power Supply Type: Battery, Solar. Percentage Function: Yes. Number of Characters: 8. Naturel Display: No. Memory Keys: 3. Material: Plastic, Metal. Margin: No. Grand Total: No. Double-Zero Key: No. Display Screen Type: LCD. Cut Function: No. Decimal Select: No. Currency Conversion: No. Cost, Sell, Margin Function: No. Batteries Included: Yes. Battery Size Supported: L1131. Auto Rounding: No. 5/4 Function: No. Dimensions: 103 x 31 x 144 mm (w x h x d). Colour: Silver.