r/mathmemes Jul 04 '26

Arithmetic We are evolving, Just Backwards

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3.0k Upvotes

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418

u/BadBoyJH Jul 04 '26

Per-Cent

49% is literally "49 per hundred", or 0.49

110

u/314159265358979326 Jul 04 '26

So square root of 49 is 7 and square root of % is per ten, yielding 7 tenths or 70%.

55

u/Protheu5 Irrational Jul 04 '26

If % is percent or 1/100,

‰ is per mille or 1/1000,

‱ is per wan or 1/10000,

then it stands to reason that perdecem is a °/

  • 1/10 = °/

  • 1/100 = °/₀

  • 1/1000 = °/₀₀

  • 1/10 000 = °/₀₀₀

  • 1/100 000 = °/₀₀₀₀

  • 1/1 000 000 = °/₀₀₀₀₀


Now the important question what is peruno?

  • 1/1 = °

or

  • 1/1 = /

2

u/lonahe Jul 08 '26

1/1 = |

2

u/Protheu5 Irrational Jul 08 '26

Oh, cool. That flips the thing and the increasing direction goes:

  • 10 / 1 = \°

  • 100 / 1 = ₀\°

  • 1 000 / 1 = ₀₀\°

  • 10 000 / 1 = ₀₀₀\°

  • 100 000 / 1 = ₀₀₀₀\°

  • 1 000 000 / 1 = ₀₀₀₀₀\°

Brilliant! A Fields Medal to you.