Pure Mathematics (the study of math for its own sake) and Applied Mathematics (using math to solve real-world problems).
Theoretical math applied to algorithms, cryptography, and logic gates. map of mathematics pdf
The Map of Mathematics: A Visual Guide to the Universe of Numbers Pure Mathematics (the study of math for its
Mathematical logic and set theory—the "roots" of the tree. map of mathematics pdf
The study of numbers themselves (primes, integers, and complex numbers).
To identify "prerequisite" topics before diving into complex subjects like Quantum Mechanics or Data Science.