Practical design: the calculator has the general purpose of adding, subtracting, multiplying, and dividing, and has a large 8-digit screen and memory function, which is practical and suitable for home and work Product features: this mini 8-digit calculator is about 4.4 x 2.6 x 0.8 inches, compact and lightweight, easy to hold in hand, fits the backpack and drawers well for storage; The pocket size of the micro calculator is very suitable for automatic restoration in low to medium touch function. Need to use an AA y for them to work normally (y not included) Sturdy structure: the basic standard calculator has a scientifically designed button, and its good reset function can increase your comfort and bring you a good user experience Standard calculator: the ang 8-digit display calculator has a modern design, including automatic keys, real keys, exit box root keys and 4-key independent memory, which are memory plus, memory minus, memory and clear memory Clear and large keys: portable calculator has high sensitivity and quick response to the keys, which improves your work efficiency; The numbers on the keys are not easy to wear and can be applied for a long time, very suitable for math teaching, science courses and other