QA 1-145: Mathematics (General), Elementary Mathematics, Arithmetic
- QA 8: Mathematics - Philosophy
- QA 9-10: Mathematical Logic
- QA 11-20: Mathematics - Study & Teaching
- QA 21-30: Mathematics - History
- QA 75.5-76.95: Computer Science
- QA 95: Mathematical Recreations
- QA 101-145: Elementary Mathematics, Arithmetic
QA 150-272.5: Algebra
- QA 162: Abstract Algebra
- QA 164-167.2: Combinatorics, Graph Theory
- QA 169: Homological Algebra
- QA 174-183: Group Theory
- QA 184-205: Linear & Multilinear Algebras, Matrices
- QA 211-218: Theory of Equations
- QA 221-224: Approximation Theory
- QA 241-247.5: Number Theory
- QA 260-263: Vectors & Matricies
- QA 267-268.5: Machine Theory, Abstract Machines & Automata
- QA 269-272: Game Theory
QA 273-299.4: Probabilities, Mathematical Statistics, Numerical Analysis
- QA 273: Probabilities; Statistics
- QA 274: Stochastic Processes
- QA 276-280: Mathematical Statistics
- QA 297-299.4: Numerical Analysis
QA 299.6-433: Analysis
- QA 303-316: Calculus
- QA 319-329: Functional Analysis
- QA 331-355: Theory of Functions
- QA 370-380: Differential Equations
- QA 401-425: Analytical Methods; Mathematical Optimization
QA 440-699: Geometry, Trigonometry, Topology
- QA 451-469: Elementary Geometry
- QA 471: Projective Geometry
- QA 501-521: Descriptive Geometry
- QA 531-538: Trigonometry
- QA 551-563: Analytical Geometry
- QA 564-609: Algebraic Geometry
- QA 611-614: Topology, Manifolds & Cell Complexes
- QA 615-639: Infinitesimal Geometry
- QA 641-670: Differential Geometry
QA 700: Magnetism
QA 801-939: Analytical Mechanics
- QA 821-835: Statistics
- QA 841-842: Kinematics
- QA 843-871: Dynamics
- QA 901-930: Fluid Mechanics
- QA 931-939: Elasticity, Plasticity
