Texas TI-59 reading a magnetic card written 30 years ago
The TI-59 is an early programmable calculator, that was manufactured by Texas Instruments from 1977. It is the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules". Just like the SR-52, it has a magnetic card reader for external storage. One quarter of the memory is stored on each side of one card.
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