https://github.com/vEnhance/napkin Evan Chen's (ι³θͺΌε»·) Infinite Napkin. 800+ page PDF with source on GitHub claiming to try and teach the beauty of modern maths for high schoolers. Fantastic project!!!
- Mathematics | 17, 10k, 260
- Ciro Santilli's Homepage | 238, 154k, 2k