Easy to read: portable calculator with large 8-digit LCD display, clear and high visibility, allowing you to see the numbers at a glance Easy to carry: the size of the calculator is only 4.7 x 2.7 inches, which is small and lightweight, easy to store in drawer or put it in the school bag, briefcase for carrying; Suitable for home, school, office use Quality and appearance: basic standard calculator is made of durable ABS to ensure normal daily use; The candy-colored design and reasonable button layout make it beautiful and practical Dual power supply: electric digital calculator has dual electric drive, light energy and button battery; It can switch the power mode according to the environment, which is more durable and more convenient 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 timebe applied for a long time