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Re: interactive spec with reasonable numbers for c-u


From: Emanuel Berg
Subject: Re: interactive spec with reasonable numbers for c-u
Date: Sat, 10 Sep 2022 04:03:44 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux)

Samuel Wales wrote:

> dna has 4 base pairs that comes in sequences. so loosely
> speaking it is base 4 arithmetic. of coure it is not that
> simple and i am not making the claim that arithmetic per se
> is performed. among the lack of simplicity, there are
> codons, there is rna which substitutes uracil, and probably
> various other footnotes. but it's not wrong to say that our
> dna has 4 nucleotides in sequences.

Ah, of course, DNA!

Cool, but surely that isn't the reason why we have that
sequence in Emacs? :O

$ for i in {0..4}; do echo $(( (2**2)**i )); done

  1
  4
 16
 64
256

Here's an interesting textfile BTW,
https://dataswamp.org/~incal/data/BINARY-UNITS

-------------------------------------------------------------------------------
  BINARY UNITS                                            incal@dataswamp.org
-------------------------------------------------------------------------------


      unit              bytes               bits             max value (eval)
-------------------------------------------------------------------------------
 char/byte                  1                  8  (1- (** 2    8))
      word                  2                 16  (1- (** 2 (* 8        2)))
doubleword                  4                 32  (1- (** 2 (* 8        4)))
  quadword                  8                 64  (1- (** 2 (* 8        8)))
 paragraph                 16                128  (1- (** 2 (* 8       16)))
  kilobyte              1 024              8 192  (1- (** 2 (* 8     1024)))
  megabyte          1 048 576          8 388 608  (1- (** 2 (* 8 (** 1024 2))))
  gigabyte      1 073 741 824      8 589 934 592  (1- (** 2 (* 8 (** 1024 3))))
  terabyte  1 099 511 627 776  8 796 093 022 208  (1- (** 2 (* 8 (** 1024 4))))
-------------------------------------------------------------------------------
                                                       (defalias '** #'expt)
1 kilobyte = 1024^1 bytes
1 megabyte = 1024^2  -"-
1 gigabyte = 1024^3  -"-
1 terabyte = 1024^4  -"-


-------------------------------------------------------------------------------
  https://dataswamp.org/~incal/data/BINARY-UNITS                   2022-09-10
-------------------------------------------------------------------------------

-- 
underground experts united
https://dataswamp.org/~incal




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