The calculator is designed for daily use.Good hand feel,light weight,comfortable operation,reasonable configuration and good touch can ensure that long-term use will not make people feel tired. Calculators are the most useful for large-scale calculations,and are suitable for any businessman,worker,teacher,student or anyone who needs to make any calculations from time to time. The calculator uses a scientific large button design,which conforms to human habits and feels comfortable.The tilting screen of the calculator makes it easy and accurate to read the screen,and the LCD display provides easy-to-read numbers to maximize viewing comfort. 12-bit widescreen comfortable buttons,clear digital widescreen display,date display,time function,etc.,Battery type:2xAA alkaline batteries(batteries not included). The multi-function calculator is very suitable for home or office applications.It can perform common mathematical operations,and has a large-screen digital display,making it more convenient for you to use.