Years ago I used several different Newtons. The 2100 had nice handwriting recognition and a good on-screen keyboard as well.
You could though, purchase a nice external keyboard and case for it from Apple. The keyboard attached to the end of the Newton through the serial port. It would zip shut, with both the Newton and keyboard inside, into a small organizer sized bundle. When open the Newton could be propped up on it's angled shelf. It turned the whole thing into a micro-sized laptop for heavy duty typing.
An external, detachable, physical keyboard for the iPhone wouldn't take the place of the on screen board in any way. But it would provide a nice option.
Matt
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