Why is the phone keypad different than the calculator? — and other UX linksA weekly selection of design links, brought to you by your friends at the UX Collective.
A brief history of the numeric keypad › Picture the keypad of a telephone and calculator side by side: a calculator has the 7–8–9 buttons at the top whereas a phone uses the 1–2–3 format. Subtle, but puzzling since they serve the same functional goal — input numbers. There's no logical reason for the inversion if a user operates the interface in the same way. Common sense suggests the reason should be technological constraints. Maybe it's due to a patent battle between the inventors. Some people may theorize it's ergonomics. With no clear explanation, I knew history and the evolution of these devices would provide the answer. Which device was invented first? Which keypad influenced the other? Most importantly, who invented the keypad in the first place? A portfolio hiring managers can't deny › Disruptive interfaces and the emerging battle to be the default › Personas make you stupid › From the community
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Monday, 17 September 2018
Why is the phone keypad different than the calculator? — and other UX links
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