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Texas Instruments

SR 0022SR 0022 02SR 0022 01Model: SR-22
Battery:  no
Adapter: AC9222
Year: 1974
Chip: TMS0207, TMC0323, TMC0404   
Info: Look carefully at the display of the SR-22 and you'll notice immediately that this calculator could perform amazing calculations. It is the only calculator reported so far to perform Octal-Decimal-Hexadecimal conversions on the base of floating point numbers.

 

 

 

 

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