Comment on 0.30000000000000004

• Rentlar@lemmy.ca ⁨9⁩ ⁨months⁩ ago

  Sure to connect the metaphors, in a binary number system you have numbers 1 or 0 to pick from. How it applies in this scenario is that you can only have up to one slice of each size. That works because if you want two of it, you would instead replace it with a one size bigger slice that is equivalent to 2x the smaller size.

  For a general understanding of floating point I suggest you learn binary first and separately, because at the end of the day it’s just another way to write base-10 numbers. Floating point representation is useful because the basic principle is you pick some fraction that is so small relative to what you’re measuring, so you can do most math accurately. (e.g. If I say this dwarf planet is the size of our moon and a 20 tennis balls, the tennis balls don’t really change your idea of how big it is)

  At the end of the day, FP is like scientific notation but with like 10 significant digits.

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  • soggy_kitty@sopuli.xyz ⁨9⁩ ⁨months⁩ ago

    ChatGPT alarm bells

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    • Rentlar@lemmy.ca ⁨9⁩ ⁨months⁩ ago

      I ain’t ChatGPT. My comment there kind of sounds like it tho.

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      • ruk_n_rul@monyet.cc ⁨9⁩ ⁨months⁩ ago

        People tend to forget ChatGPT learns from people’s comments, like yours.

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