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Re:Ask HN: How do I re-learn maths as a middle-age person? by OnACoffeeBreak on Thursday November 12, 2020 @11:42AM (#25071627)
I'm only a few chapters in, but so far this book has struck a balance of being dense enough to not be boring:

"No Bullshit Guide to Math and Physics"

https://minireference.com/

Re:Ask HN: How do I re-learn maths as a middle-age person? by noneeeed on Thursday November 19, 2020 @07:11AM (#25148717)
Cool, thanks for the recommendation, those look great.