What did I ship? Words not too long ago.
Extremely UK specific, very LaTeX heavy, but I _finally_ understand some part of credit card finance đź«
I did use the claudes and some of the twins to help me with the math.
https://javorszky.co.uk/2026/10/17/how-amex-gets-685-3-apr-and-what-it-actually-means/
Gabor JavorszkyHow AMEX gets 685.3% APR and what it actually meansI can finally do the same calculation on a piece of paper, and you can read about it here
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