Model: TI-68 prototype
Battery: CR2032
Adapter:
Year: 1985
Chip: CPU: Toshiba T9948A
Info: Calculator donated by Massa Gennaro in 2023 during the 2nd edition "the story with Texas Instruments" in Rieti, (World Chili Pepper Fair). This was a prototype with transparent case, built in the Rieti factory.
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