Model: TI-2550
Battery: 3*AA NiCd or 4*AA Alkaline
Adapter: AC9130 or AC9120
Year: 1974
Chip: TMS0601
Info: Released one year after the legendary TI-2500, the first with a lens display (like bubbles)
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 !
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.jpg "Olivetti Valentine")
.jpg "APPLE")
