Touch screen phone dail keypad layout12/20/2023 Long before the modern day touch-tone phone, we were used to the rotary phone, which arranged the numbers from 1 to 0 on a circular dial that you’d rotate (the zero was actually treated as a 10. The reason the two keypads have different layouts today is that back when they were first invented, they were two completely different products, using different technologies, and served different purposes. My favorite theory takes us on a time-traveling trip. There’s no fixed reason for the difference in layout, but there seem to be a few interesting theories to define exactly how we arrived at this bizarre placement. It’s always bewildered me that we’ve had these two separate systems for separate machines, even today. The zero or the lowest value sits at the bottom and it increments moving upwards, ending with nine right at the top. Phone dialers and ATM machines have it starting at the top with 1, going down to 9, and ending with a 0 at the base, sitting between the asterisk and the hashtag but you look at the calculator, the cash register, or the computer’s number pad and it’s the other way around. The numbers, for obvious reasons, are the same… but the layouts aren’t. You’ll see it on the right of your keyboard on your computer (if you’ve got a numpad), and you’ll see it in your ATM machines, cash registers, card readers, security systems, and if you’ve still got one, your landline phone. You see it everywhere, from your dialer, to your calculator, and your phone’s unlock screen. Take into account all the places that utilize the number pad and you’ll notice a disparity that’s quite odd but humanity seems to have made peace with.
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