about G2 prime and Communication

[fablab48]

you propose me to buy a HP50 ??

i remember the awfull HP49G+
on this machine HP developper's show us they was not able to debounce a keyboard.

my machine finish his life under my shoes !

no i don't want to buy the same machine with the same bug (never solved !!)

i don't need a real rs-232 level (+12v , +12v), whatever the voltage level it's ok for me,
but a communication line under programming language is mandatory

TI do it, but i don't like TI machine, i prefer HP,
but HP PRIME don't have a communication like his competitor, a strange choice i can't understand.
i'm sure hp fan like me and student's will be happy to communicate between a microcontroler to his super hp machine
(or raspberry pi / arduino, and so on).

NUMWORKS machine have the serial port, but it is not an HP machine !, and no RPL ..snif..

My Brave and venerable HP-48 will not be retired