Research and Scientific Writing
- 现代科研指北
- Advising Statement, by Marc F. Bellemare
- Learn LaTeX for LaTeX beginners and a short intro to LaTex (in Chinese)
- scientific writing for non-native speakers Linggle, Thesaurus, and DeepL
Math
- WolframAlpha, Mathematics Stack Exchange, ProofWiki, and Matrix Calculus
- Math via visualization: 3Blue1Brown and Seeing Theory
- NIST Digital Library of Mathematical Functions
- AIM Approved Textbooks for freely available math textbooks