Find the correct answer with this convenient pocket calculator that is ideal for everyday math. Dual solar/battery power provides reliable functionality in any lighting conditions. The 12-digit LCD display handles large calculations. Recall saved numbers with the three memory buttons. Tax Calculation, Square Root, +/- Switch, and Percent keys help to find the answer to more equations. Protective wallet case adheres easily to the calculator and flips out of the way when in use.Package Includes: Battery; Case