HPR4471: Ti-82 Makes Music and Password Manager

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The TI-80 is a graphing calculator introduced by Texas Instruments in 1995 to be used at a middle school level (grades 6 to 8). It offered advanced capabilities that had previously only been available in high-end scientific calculators to students learning pre-algebra and algebra, and was designed to be affordable for schools. Links https://en.wikipedia.org/wiki/TI-80 https://zadig.akeo.ie/ https://rmccurdy.com/.scripts/downloaded/HoustonTracker%202%20%20Windows%2011%20Tutorial%20TI-82%20Silverlink.zip