Here is my take on a concept map of math topics: https://minireference.com/static/tutorials/conceptmap.pdf (covers only high school math + calculus + linear algebra)
I think http://www.math-atlas.org was a way better attempt and hope it will come back.
The last copy I could find on archive,org is http://web.archive.org/web/20150616152045/http://www.math-at...
Here is my take on a concept map of math topics: https://minireference.com/static/tutorials/conceptmap.pdf (covers only high school math + calculus + linear algebra)