DANRONG Mechanical Switch Calculator with Big Buttons, Calculators Desktop, 12 Digits, Solar Battery Power, Desk Calculator, Large LCD Display, Cute White Calculator for Teachers Students Basic Office

["【Mechanical Switch Calculator】The mechanical switch buttons are used similarly to a mechanical keyboard, providing fast and precise response. A distinctive clicking sound is emitted with each press, providing a pleasurable and addictive experience.","【Large LCD Display】DANRONG desktop calculator has a large 12-digit display, 4 inches, which makes calculations and reading clearly visible from any angle and very convenient and comfortable. The display is also designed with a 15 ° tilt for optimal visibility and stability, effectively reducing reading fatigue.","【Dual Power Supply】The desk calculator is powered by solar and one AAA battery (not included). In the presence of sunlight or light, the battery can be dispensed with. However, due to life's variations in light, it is recommended that one AAA battery be inserted at the same time for consistent and accurate use. Auto shuts off after 10 minutes of inactivity to save energy.","【Ergonomics Design】The cute calculator features a typewriter style design with clean lines. Retro rounded keys fit easily in your hands to prevent fatigue. Spring-loaded ergonomic design cares for your wrists. Made of durable ABS material, it feels good in your hand and is lightweight, suitable for both desktop and handheld use.","【Multi-Purpose Use】The calculator is not only powerful, but also very portable, making it the perfect tool to quickly fulfill your daily computing needs in a variety of settings such as schools, offices, homes, stores, and more. It is also ideal for students, teachers, colleagues and anyone else who needs a reliable calculator."]