Version History Version History

TI-84: Monopoly math

Sep 20, 2026 · 1h 16m

Summary

This episode of Version History explores the history of graphing calculators, tracing their evolution from bulky 1960s prototypes to the dominant Texas Instruments models. The hosts discuss how TI established a near-monopoly by standardizing the interface and partnering with schools and the College Board, effectively locking out competitors like Casio and HP. The conversation also covers the cultural phenomenon of student hacking, including jailbreaking devices to play games like Drug Wars and Phoenix, and reflects on why the calculator remains a persistent, if stagnant, tool in modern educ…

Topics discussed

Introduction: The history of graphing calculators High school memories and the Game Boy mod Calculators as the precursor to PCs The Caltech prototype and early handhelds Canon and Sinclair: The race to market TI's first calculator and market dominance The debate over calculators in schools The rise of graphing calculators and TI 85 Jailbreaking and early calculator programming Drug Wars: The spreadsheet game phenomenon The social divide of calculator upgrades Sponsor break and return to the story TI's strategy: Flash ROM and teacher training Standardization and the monopoly on exams Profit margins and the lack of innovation The 'Math BlackBerry' and form factor debate Smartphones vs. Calculators and modding culture The new TI Evo calculator release Reflections on friction and learning math Sponsor break and peak calculator era Was this peak calculator or peak TI? Retroactive design changes and missed opportunities The mystery of missing model numbers Hardware quirks and the headphone jack Hall of Fame criteria: Did it do something new? Final verdict: Users vs. the product Closing remarks and sign-off End card sponsor
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