The next generation portable printing calculator has arrived. Features Time Calculation where time-based fee structures are needed. Delivers high-performance for your everyday calculations. Time and Date function enables you to view the time and date with a quick glance. Ability to perform profit margin calculations with the touch of just a few keys. Built-in low battery indicator to alert you when it"s time to change the batteries. Power Source(s): AC;Battery; Display Notation: Numeric; Number of Display Digits: 12. AC Adapter and Paper Roll.