❤ This easy to use desktop calculator is designed according to the number arrangement of the computer keyboard.
Large calculator is suitable for office, business, school, shop, shopping mall daily and office family use.
❤A scientific calculator with a notepad 2-in-1 flip design allows you to take notes while calculating.
❤It includes more operations than basic scientific calculators, including integral, derivative, statistics, and complex number calculations.
❤You can press the 'Delete' button to delete the note, or you can lock it to keep the note.
