Một số tools vẽ hình minh họa cho các bài khoa học kỹ thuật

https://texample.net/tikz/examples

https://math2it.com/tuyen-tap-cong-cu-ve-minh-hoa-cho-cac-bai-viet-toan-hoc/

https://www.mathcha.io

https://support.typora.io/Draw-Diagrams-With-Markdown

https://about.gitlab.com/handbook/tools-and-tips/mermaid

https://jojozhuang.github.io/tutorial/mermaid-cheat-sheet

https://support.typora.io/Draw-Diagrams-With-Markdown

https://ckeditor.com/blog/basic-overview-of-creating-flowcharts-using-mermaid