This Casio HR-200RCE printing calculator features a large 12-digit display and a printing speed of 2 lines per second. It offers a 2-color print facility, percentage calculation, tax and currency calculations, and a markup/down feature. The paper width is 58mm. It is powered by 4x AA batteries (not included) or an optional mains adaptor (not included). Key features include: Memory Back-up Battery, Euro Conversion (3 Rates), Profit & Tax Calculations, Re-Print-Function, Check & Correct Function, After-Print-Function, Percentage-/Delta percentage Calculation, Item Counter, Average Calculations, Backspace Key, Decimal Selector, 3-Digit Comma Markers, Double-Zero Key, 4-Key Memory, GT Memory, and Rounding Selector. It also has a Rapid Correction key and independent memory.