Texas Instruments

Model: TI-30 X 
Battery: solar
Adapter: 
Year: 1985 ( RCI 09 02 85 )
Chip: Toshiba T6M38 
Info: Calculator donated by Angelucci Adalgisa in 2023 during the 2nd edition "the story with Texas Instruments" in Rieti, (World Chili Pepper Fair)