Model: TI-55 II programmable
Battery: 2 x LR44
Adapter:
Year: 1984
Chip: TP0456/CD4555, CD4556
Info: This TI-55 II could be called a rare calculator.
If you have the opportunity to support those who work for free, in this non-profit museum, and with the aim of opening a museum in the city of Rieti dedicated to Texas Instruments. DONATE !