1. [High Sensitivity] With high sensitivity and quick response to keys, this calculator will improve your productivity. Made of durable ABS for long-term use. 2. [Large And Wear-Resistant Keys] The numbers on the calculator's keys are resistant to wear and tear, and the large buttons help prevent accidental presses. 3. [Dual Power Supply] A power-saving calculator with two power sources, solar and battery, that can be powered by solar energy when light is available, reducing the need to replace batteries. 4. [Aesthetically Pleasing Design] Elegant and slim design with a well-organized button layout makes it visually appealing and functional, and perfectly sized to fit on your desk. 5. [Applications] This calculator is ideal for office, business, student, store, and home use, and can also be given as a practical gift to friends and students.