• AstridWipenaugh@lemmy.world
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    5 months ago

    The TI-89 was ~$100 when I bought one 20 years ago. Looked it up on Amazon and they’re $100-$150 depending on the specific model. They haven’t kept up with inflation at all, which means they’ve been getting cheaper this whole time…

    • uis@lemm.ee
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      5 months ago

      For 100$ you can buy new phone and install any math software you want