Model: TI-59 EDF FR
Battery: BP1 A
Adapter: AC9131 or DC9105
Year: 1978
Chip: TMC0501E TMC0591 CD2400 CD2401 TMC0573 TC5047
Info: The innovative TI-59 was the perfect base for a lot of customized calculators. This one was used end of the 70th by the EDF Group in France - a leading supplier of Electricity in Europe - to calculate the necessary energy to heat rooms and houses
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