Maths as a hobby?

As a programmer I need a minimum of Maths depending on what I am working on. Since a few weeks I started Musillium, a Winamp clone (Zig+Tcl/TK) from scratch. For decoding the music I need to get back to some Maths for the digital signal processing. That's why I started to read the DSP Guide, which is really great.

And as I am starting to try a “no screen sunday” and as I am not a manual person (I tried bass guitar, wood working, etc.) I was looking for another non manual hobby... Now you see where I am going, right?

Maths as a hobby, gasp

Yes, Maths as a hobby, why not? It's challenging, I can work on it for more than I can imagine (there is no end to it), it's useful for my job, my side projects, my day to day life, etc..

So where do I start? Interestingly I found a youtube channel where the dude is doing exactly that: mathematicaladventures.

It gave me some ideas on how to organize myself, where to start, some books ideas (yes I am a book guy, surprised?). I have now a few notebooks, some nice pens, and a few Maths books (with no particular order):

And some more later (like Calculus by Spivak, about numerical analysis, etc.). With all of this I think I already have a lot to study. I'll try to do at least 80% of the exercises of each book. So it will take some time! Maybe a few years just for a few books.

I am starting with this schedule:

Starting with the Book of Proof by Richard Hammack (with Mathematical notations as a Maths symbols appendix for my rusty memory).

I did a small spreadsheet for the books and online courses I founded. The books are sorted in reading order: books spreadsheet

Book of proof

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