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Neil Sainsbury

Personal blog · neilwithdata.com · on HN as nsainsburycareerprogramming

Neil Sainsbury writes Neil with Data, a personal blog at neilwithdata.com about career and programming. Since 2020, 10 different Hacker News readers have linked it 24 times, most often “Mathematics for the Adventurous Self-Learner”. The last post was in 2020, but the archive is still widely read.

Visit the blog
24mentions?
10HN people?
2020–2026first – last linked?
Links on Hacker News per year · peak 10 in 2020

Too few sampled comments (6) to say how often HN recommends it.?

Why HN links it

HN readers link this self-study mathematics guide, which lists books and resources for teaching yourself maths. Commenters point to it for people who are out of practice with the basics.

Summarised by Claude from a sample of 6 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

The author on HN?

nsainsbury · 2,501 karma · member since 2014

Creative developer, shader artist, and mathematician. Creator of Photogenesis.app other sites: ~ neilwithdata.com ~ masterywithsql.com

From their public HN profile, which links to this site.

Most-linked posts?

  1. Mathematics for the Adventurous Self-Learner
    8 people · 12 mentions · first linked 2020-02-23
  2. The Consequences of Outsourced Thinking
    2 people · 4 mentions · first linked 2026-01-27
  3. Advanced SQL and database books and resources
    2 people · 2 mentions · first linked 2020-05-01

What Hacker News says?

  1. I'm nowhere near as smart as Colin but I'll also share here a little personal story which relates to the topic. I was also a very high achieving student in high school and university and was similarly all set for a career in academia (also studying mathematics). In my final year however, I had a full-time position doing research with CSIRO, which is a leading research organisation in Australia. I did some interestin…

    Comment linking /how-i-built-bbsmart

    on “On the Use of a Life”
  2. Submitted Mathematics for the Adventurous Self-Learner as a story · 1232 points

    HN discussion
  3. I've been continuing my study of mathematics ( https://www.neilwithdata.com/mathematics-self-learner ) and recently started Needham's Visual Complex Analysis which I'm really enjoying. I've also been putting more time into competition table tennis (coaching, etc)! Am no Fan Zhendong but the backhand is coming along nicely.

    Comment linking /mathematics-self-learner

    on “Ask HN: What you up to? (Who doesn't want to be hired?)”
  4. Submitted The software industry's greatest sin: hiring as a story · 542 points

    HN discussion
  5. nebulous1 · 2021-08-16Recommends
    I got this page from HN a while back: https://www.neilwithdata.com/mathematics-self-learner Might be of interest to a similar group of people as the OP

    Comment linking /mathematics-self-learner

    on “A Programmer’s Introduction to Mathematics”
  6. Submitted Advanced SQL and database books and resources as a story · 440 points

    HN discussion
  7. If anyone is interested in following a self-study curriculum but with more of an emphasis on pure vs applied math, you may find my experience and recommendations useful: https://www.neilwithdata.com/mathematics-self-learner

    Comment linking /mathematics-self-learner

    on “Self studying the MIT applied math curriculum (2019)”
  8. Submitted How I built the best-selling BlackBerry app as a story · 234 points

    HN discussion
  9. vansul · 2020-11-11Recommends
    This[0] was posted up on here a while ago - has some good book recommendations for teaching yourself maths (assuming you remember some basics from school[1]). I got a few of them and whilst they may have gathered some dust... They seem great! Also obliged to recommend Khan Academy and the 3Blue1Brown youtube channel - but they are probably best for fun/inspiration [0] 'Mathematics for the adventurous self-learner' -…

    Comment linking /mathematics-self-learner

    on “Notes for courses taken at Harvard (2015-2019)”
  10. Submitted The myth of the developer that can't code as a story · 62 points

    HN discussion
  11. anthomtb · 2021-11-25Recommends
    This block post, which has been referenced several times on HN, was a god send for me: https://www.neilwithdata.com/mathematics-self-learner I also used get hung up on “mathematical notation”. But it turns out the problem wasn’t the notation. I was just bad at math. Well, out-of-practice is more like it. Once you have the fundamentals clearly explained and you’re doing some math on a regular basis the notation, even…

    Comment linking /mathematics-self-learner

    on “Ask HN: How did you learn math notation?”
  12. Submitted Advanced SQL and database books and resources as a story · 3 points

    HN discussion
  13. I've been long frustrated about how technical interviewing takes place in our industry (and I've written about it quite a bit as well eg. https://www.neilwithdata.com/developer-hiring ) I think many companies through the hiring process completely lose sight of what they are actually looking for. They forget that the barriers they erected (whether they be whiteboard problems, take-home coding tests, algorithmic dance…

    Comment linking /developer-hiring

    on “An interview code submission that wasn’t even submitted changed our process”
  14. Submitted The Consequences of Outsourced Thinking as a story · 2 points

    HN discussion
  15. I wrote about my journey learning mathematics for the last ~6 years quite recently actually! Might be of interest to you as well: https://www.neilwithdata.com/mathematics-self-learner

    Comment linking /mathematics-self-learner

    on “Ask HN: How to Study Mathematics?”
  16. Submitted Mathematics for the Adventurous Self-Learner as a story · 2 points

    HN discussion
  17. I saved some bookmarks about this topic through the years, so let me paste below, maybe someone found sth is useful: http://mathfor3dgameprogramming.com/ https://gamemath.com/book/intro.html https://www.neilwithdata.com/mathematics-self-learner https://www.cis.upenn.edu/~jean/math-deep.pdf https://www.youtube.com/watch?v=DPfxjQ6sqrc

    Comment linking /mathematics-self-learner

    on “Introduction to math for game developers”
  18. Submitted Mathematics for the Adventurous Self-Learner as a story · 2 points

    HN discussion
  19. I actually wrote up quite a few thoughts related to this a few days ago but my take is far more pessimistic: https://www.neilwithdata.com/outsourced-thinking My fundamental argument: The way the average person is using AI today is as "Thinking as a Service" and this is going to have absolutely devastating long term consequences, training an entire generation not to think for themselves.

    Comment linking /outsourced-thinking

    on “Outsourcing Thinking”
  20. Submitted The Consequences of Outsourcing Thinking as a story · 1 points

    HN discussion
  21. There is an Open Source curriculum [0].This consists of: MOOCs, videos, pdfs, etc. It should provide you with a guide of what/where to study. Neil Sainsbury posted their own list of books [1] Alan Kennington provides a 10 steps learning mathematics[2] Another source to get an overview of a topic [3] [0] https://github.com/ossu/math [1] https://www.neilwithdata.com/mathematics-self-learner [2] http://www.geometry.org…

    Comment linking /mathematics-self-learner

    on “Ask HN: Is is possible to self study undergrad mathematics from books?”
  22. Here's a link that was on HN before: https://www.neilwithdata.com/mathematics-self-learner There's no quick fix in there though.

    Comment linking /mathematics-self-learner

    on “A Programmer's Introduction to Mathematics”
  23. Touching on the atrophy point, I actually wrote a few thoughts about this yesterday: https://www.neilwithdata.com/outsourced-thinking I actually disagree with Andrej here re: "Generation (writing code) and discrimination (reading code) are different capabilities in the brain." and I would argue that the only reason he can read code fluently, find issues, etc. is because he has spent year in a non-AI assisted world w…

    Comment linking /outsourced-thinking

    on “Karpathy: A few random notes from Claude coding quite a bit last few weeks”

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