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Full Version: Seeking a timeline of feature introductions by HP
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Nice idea, thanks - and thanks also to others for their ideas upthread.

I'll have to put the guidebook onto a list of presents I might wish to be given.
Are these right, I wonder:
First with SD card storage expansion (2003, hp 49g+)
First with built-in serial port (2006, HP 50g)
The 48SX had a built-in serial port in 1990.
Ah, thanks.
It was in your initial list, but I don't know which one was the first: first USB port, HP49G+ ?
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