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Differences

02 July 2007
Here's one thing that I've never understood in life: why are some keypads and number pads inverted while others are not?

upside down keypad  right side up keypad


It just seems strange that no matter what you use: ATM, keyboard, phone, etc., the keypad that you are entering your information into is different every time.

Maybe I missed the memo on this growing up, but is there a standard on when you should invert the numbers and when you shouldn't?