DATAMATH
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DATAMATH
Introduction to programming, TI Programmable 57 by Texas Instruments [1977] {510.28542--oclc} : Texas Instruments : Free Download, Borrow, and Streaming : Internet Archive
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Dr. Monk's DIY Electronics Blog: TI Programmable 57 Calculator Battery Conversion
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TI-57 – Wikipedie
Texas Instruments TI-57 - My very first programmable calculator (1980) | Calculator, Old computers, Computer history
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TI-57 - Wikidata
