Why Phone Keypads and Calculator/Keyboard Keypads are Arranged Differently
John T. asks Why do keyboard keypads number 7,8,9 on down and phone keypads number 1,2,3 on down? It’s not clear why numbering pads designed for calculation have 7-8-9 at the top, although the practice of placing the larger numbers above the smaller can be seen as far back as the late 19th century on early mechanical cash registers, often […]
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