Math(s)
Standard functions/algebra
Linear algebra
(Multivariable) Calculus
Trigonomy (High school level)
Geometry (High school level)
Complex numbers (High school level)
Physics
Classic (Rotational) Mechanics
Electricity/Magnetism/Electromagnetism
Chemistry
pH/acids/bases
Redox
Equilibria
Thermodynamics (Ideal gasses, Entropy, Enthalpy, Gibbs energy, etc..)
Organic chemistry (High school level)