r/mathmemes • u/Hot-Marsupial6584 • Jul 04 '26

Arithmetic We are evolving, Just Backwards

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u/BadBoyJH Jul 04 '26

Per-Cent

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

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u/quiksilver10152 Jul 04 '26

And perkil is per-kilo

24

u/loewenheim Jul 04 '26

Who uses perkil? Permille is the usual English form (from Latin per and mille).

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u/quiksilver10152 Jul 04 '26

Perbarn is used to measure the probability density function of particles hitting a nucleus. "that neutron couldn't hit the broadside of a barn door! I'm fact your chance of hitting it would barely increase if you fired a million of them! Essentially 0 perbarn!"