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 light, easy to store in drawer or put in school bag, briefcase for carrying; Suitable for home, school, officeQuality and Appearance: Basic Standard Calculator is made of durable ABS to ensure normal daily use; Candy color design and reasonable button layout make it beautiful and practicalDual Power Supply: The electric digital calculator has dual electric drive, light power and button battery; It can change the power supply mode according to the environment, which is more durable and convenientClear and large keys: The handheld calculator has high sensitivity and fast key response, which that improves your work efficiency; The numbers on the keys are not easy to wear and can be applied for a long time