RETRO CUTE STYLING AND COLOR MATCHING:Cute calculators adopts a unique typewriter style shape, the retro and cute round keys imitate the touch of a mechanical keyboard, and four cute candy colors, allowing you to have a pleasant experience when using it. BATTERY POWER This calculator runs on one AAA battery ( one AAA battery included), and to conserve battery life, it automatically switches off if not used for 10 minutes or more. RESPONSIVE BIG BUTTONThe colored calculator has environmentally friendly plastic large keys,more suitable for fingers,comfortable touch and fast response. COMFORTABLE ANGLE & LARGE DISPLAY:The Calculator is designed with a raised head,so that the display angle of the screen can meet the human eyesight habits.The screen adopts a 12-bit LCD display,which can easily and clearly view the screen content. FOUR-POINT NON-SLIP BASE The bottom of this basic calculator adopts four-point silicone non-slip pad,which makes the calculator stand stably on the table,stable operation is not easy to slip.