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. Builtin low battery indicator to alert you when it’s time to change the batteries. Calculator Type: Printing; Global Product Type: Calculators; Calculator Style: N/A; Power Source(s): AC; Battery.