This snazzy full-function calculator with easy-grip sides not only advertises the USS Little Rock Association, but can also help you keep your check book balanced, and might even help you save a few dollars on your income tax. Will add, subtract, multi- ply and divide as well as calculate square roots and percentages. A memory feature is standard to help in doing some of those more complicated calculations. Pressing a built-in actuator automatically open display window and raises the calculator to a convenient operating angle. Calculator is battery operated ( yes, batteries are included). This makes a great gift!