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 Tape devices allowed to save programs and data to tapes
 Nowadays, we can send programs and data to PC.

 A recorder tool allows to save the signal on the PC (.wav).

 Then, tools developped by Casio fans transform the signal to text.

 The reverse process is possible.

 Marcus tools

 Scans : cdecas

 Each series of calculators has its specific interface(s). You will find them by searching in each series.