[Large 12-Digit LCD Display] The calculator has a large LCD screen, which supports 12-digit display at most. The displayed number is large, so you can see clearly even in a far distance, and convenient for people poor eyesight to read. The display screen is also designed at a 15-degree angle, more convenient to read. [Mechanical Switch Calculator] The desktop calculator imitates the mechanical keyboard, which has a good touch and unique tapping sound, bringing you a nice and special using experience. The calculator is designed with sensitive big buttons. When you press the buttons, the corresponding numbers will be displayed on the screen quickly, making your work faster and more efficient. [Multifunctional Calculator] The mechanical switch calculator has the functions of addition, subtraction, multiplication, division, deletion, total, M+, M-, MRC, , % and more, which can meet most of counting needs. And it will automatically shut down if it is not applicable for a long time. [Non-slip Design] The calculator is designed with non-slip pad which can keep it stable on the desktop even if you press the button quickly, avoid slipping and help you get fast calculations. The calculator is made of premium ABS material, strong and durable, wear and fall resistant, not easy to break, and can be used for a long time.