Some past related threads (I think there have been others too?)

A Good Year for “A Programmer’s Introduction to Mathematics” - https://news.ycombinator.com/item?id=21676384 - Dec 2019 (51 comments)

On Self-Publishing “A Programmer’s Introduction to Mathematics” - https://news.ycombinator.com/item?id=18642481 - Dec 2018 (24 comments)

A Programmer's Introduction to Mathematics - https://news.ycombinator.com/item?id=18579076 - Dec 2018 (214 comments)