Large Screen: Our 12-digit office desktop calculator has a large screen, making it easy to read and use for people of all ages. High-sensitivity keys: The high-sensitivity portable calculator is designed with highly sensitive keys that ensure accurate and efficient calculations every time. Simple design is perfect. A simple calculator that gets the job done. Its simple design makes it easy for anyone to use. Battery-powered: Our 12-digit calculator is battery-powered, making it perfect for use on the go or in places where there is no access to a power outlet. Fraction Calculation: The large-button financial calculator is designed for those who need to perform complex financial calculations. It has a large screen and can perform fraction calculations, making it a great tool for students and professionals.