I'm not sure I exactly disagree with "floats are emulated reals" but it is certainly clearer to say that "floats are rationals, not reals, but only support deno

I'm not sure I exactly disagree with "floats are emulated reals" but it is certainly clearer to say that "floats are rationals, not reals, but only support denominators that are powers of 2". Then "money values are rationals, but their denominators are powers of 10" (usually).