The Large Button Talking Calculator makes it easier to do homework, balance a checkbook and perform other math-related tasks. Its large LCD screen is easy to read, while the jumbo buttons provide greater accuracy for data entry. A clear, human voice “speaks” as you enter data and make calculations. (For example: “Nine plus nine equals eighteen.”) Features adjustable volume, silent mode, calendar, digital clock with alarm and earphone jack. Ideal for children, seniors and those with limited vision. Requires 2 AA batteries.