Easy to read: Portable small calculator with a large 8-digit LCD display, clear and easy to read, allowing you to see the numbers at a glance. Easy to carry: The calculator measures 115mm x 68mm, small and light, easy to store in a drawer or put in a schoolbag, briefcase to carry suitable for home, school, office use. Quality and appearance: The basic standard calculator is made of durable ABS to ensure normal daily use the candy color design and reasonable button layout make it beautiful and practical. Dual power supply: The electric digital children's calculator has dual electric drive, light energy and battery it can switch power modes according to the environment, which is more durable and more convenient. Clear large buttons: The portable calculator has high sensitivity and quick button response, which improves your work efficiency the numbers on the buttons are not easy to wear and can be used for a long time. Note: Due to manual measurement, the size will be 0.5cm error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.