Does anyone other than accountants use a 10 key?  If so am I the only one that is annoyed that the 10key keypad does not match the keypad on a telephone?  When I go from the 10 Key to the phone I always miss dial because the numbers are upside down.

This also makes me wonder which came first.  I believe that the 10 Key keyboard came first since the telephone had a dial when I was a kid and 10 Key had been around for a while.  If so why did the phone manufacturers go with the existing system?

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