The first useful PDA was the Amstrad PDA600. Cheaper, simpler, it did less, but much more usably. Input was by a simple printing recognition system, that had much better accuracy than the Newton's cursive recogniser, yet didn't require the user to learn cryptic gestures for each letter.
The UI was designed to look just like a FiloFax (TM) complete with rings and page corners. You got Notes, Diary, Address book, Calculator.
There wasn't an OS as such, just 2 Z80's running reams and reams of C code.
It died because PDA's ceased to be "must have" items, and AMstrad got bored with them.
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The first useful PDA was the Amstrad PDA600. Cheaper, simpler, it did less, but much more usably. Input was by a simple printing recognition system, that had much better accuracy than the Newton's cursive recogniser, yet didn't require the user to learn cryptic gestures for each letter.
The UI was designed to look just like a FiloFax (TM) complete with rings and page corners. You got Notes, Diary, Address book, Calculator.
There wasn't an OS as such, just 2 Z80's running reams and reams of C code.
It died because PDA's ceased to be "must have" items, and AMstrad got bored with them.