• 9point6@lemmy.world
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    3 months ago

    And in 1990, Texas Instruments basically invented the last one as far as education is concerned

    • eeltech@lemmy.world
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      3 months ago

      Does the TI monopoly extend to other states? Guess I never thought about it before, but was almost excited to see Casio’s could potentially be used elsewhere

    • cum@lemmy.cafe
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      3 months ago

      Yeah before that I heard they were using trumpets to do their math