this post was submitted on 13 May 2025
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[–] markovs_gun@lemmy.world 16 points 1 day ago (1 children)

If you want to get real nerdy about it this works because the natural logarithm of 2 is ~0.69

(1+i)^n = 2

n log (1+i) = log 2

n = log 2 / log (1+i)

For small numbers, log(1+x) ≈ x

n ≈ log 2/i

log 2 ≈ 0.69

n ≈ 0.69 / i

n ≈ 69/100i

Which is pretty close to 70/100i which is the approximation.

[–] MeThisGuy@feddit.nl 3 points 1 day ago

that is pretty nerdy, but I appreciate the thorough explanation