I touched OCaml several years ago and ran into a bunch of problems with build tooling, standard library, syntax noise, ideological/unhelpful community, etc that turned me off. I'm also just not experienced enough to write OCaml without a GC; that would be biting off a lot of learning.
Axler is usually recommended as a great second book for linear algebra (unless you're extremely comfortable with proofs).
For a first exposure, these days it's hard to do better than Math Academy [0]. It'll diagnose all your weak points (including what prereqs you might not have) and handle all the scheduling using spaced repetition and knowledge about how the topics relate to each other.
All you have to do is keep showing up and do the work for 30+ minutes per day.
I agree it’s a great starting point for the daily check. But it’s not a good answer to a specific explicit request to measure visceral fat imo. And there’s a lot of confusion in these comments about how much they actually correlate.
If you use the waist measurement to compute your waist to height ratio and it's above 0.5, then you know you almost certainly have too much, and losing weight is the next action.
Dissent can be patriotic.
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