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.