Easy to Read: Portable mini calculator with a large 8-digit LCD screen, clear and high visibility, so you can see the numbers at a glance. Easy to Carry: The calculator's size is only 4.7 x 2.7 inches, which is small and lightweight, easy to store in a drawer or put in a school bag, briefcase to carry; Suitable for home, school, office. Quality and Appearance: The 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: The electric digital calculator has dual power supply, light energy and button battery; It can switch power supply mode according to the environment, which is more durable and convenient. Clear and Large Keys: The portable calculator has high sensitivity and fast key response, improving your work efficiency; The numbers on the keys are not easy to wear and can be used for a long time.