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Possible Duplicate:
Why do numpads on keyboards and phones have reversed layouts?

If you look at the layout of a calculator the numbers are always sorted like this:

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Most phone dail pads the numbers are sorted starting with 1

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Does anyone know why?

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marked as duplicate by dhmstark, Marjan Venema, Ben Brocka Jan 14 '13 at 18:00

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 8 down vote accepted

Used Google, this is what I found:

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