Easy to read: portable calculator with 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 (about 11.9 x 6.9 cm), small and light, easy to store in a drawer or put in a school bag, briefcase; 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 calculator has dual electric drives, light energy and button batteries; it can switch the power mode according to the environment, which is more durable and more convenient. Clear large keys: portable calculators have high sensitivity and quick response to keys, improving work efficiency; the numbers on the keys are not easy to wear and can be used for a long time