Classification Scheme - Kumpula

The collections are shelved in accordance with ACM, MSC and UDC classification codes.

004	Computer science
004.01	General and references
004.02	Hardware
004.03	Computer system organization
004.04	Networks
004.05	Software and its engineering
004.06	Theory of computation
004.07	Mathematics of computing
004.08	Information systems
004.09	Security and privacy
004.10	Human-centered computing
004.11	Computing methodologies
004.12	Applied computing
004.13	Social and professional topics

504	Environmental sciences

	Mathematics
51.00	General mathematics
51.00.30	Philosophy of mathematics
51.03	Mathematical logic, Set theory and foundations
51.05	Combinatorics
51.06	Order, lattices
51.08	General algebraic systems
51.10	Number theory
51.11	Textbooks of algebra
51.12	Field theory and polynomics
51.13	Commutative rings and algebras
51.14	Algebraic geometry
51.15	Linear algebra
51.16	Associative rings and algebras
51.17	Nonassociative rings and algebras
51.18	Category theory, homological algebra
51.20	Group theory
51.22	Topological groups, Lie groups
51.26	Real functions
51.28	Measure and integration
51.30	Functions of a complex variable
51.31	Potential theory
51.32	Several complex variables and analytic spaces
51.33	Special functions
51.34	Ordinary differential equations
51.35	Partial differential equations
51.37	Dynamical systems
51.39	Difference and functional equations
51.40	Sequences, series, summability
51.41	Approximations and expansions
51.42	Fourier analysis
51.43	Abstract harmonic analysis
51.44	Integral transforms
51.45	Integral equations
51.46	Functional analysis
51.47	Operator theory
51.49	Calculus of variations
51.51	Geometry
51.52	Convex and discrete geometry
51.53	Differential geometry
51.54	General topology
51.55	Algebraic topology
51.57	Manifolds and cell complexes
51.58	Global analysis, analysis on manifolds
51.60	Probability theory
51.62	Statistical science
51.65	Numerical analysis
51.90	Economy, operations research, mathematical programming
51.91	Mathematical economics
51.93	Systems theory; control
51.94	Information and communication
519.6	Computational methods

	Astronomy, Geodesy, Remote sensing, Geographic information system
52	Astronomy
52.7	Radio astronomy
520	Instrumentation and methods
521	Celestial mechanics
523	Solar systems
524	Universe
524.3	Stars
524.5	Interstellar matter
524.8	Cosmology
528	Geodesy
528.8	Remote sensing
528.9	Geographic information system

53	Physics
53.01	Physical tables
53.05	Measurement methods
530.1	Basic principles of physics and mathematical physics
530.12	Relativity principle
530.145	Quantum theory
531	Mechanics
531.3	Dynamics
532	Hydrodynamics
533.9	Plasma physics
534	Mechanical vibrations, acoustics
535	Optics and laser physics
536	Thermodynamics and statistical physics
537	Electrodynamics, classical field theory
539.12	Elementary particle physics and quantum field theory
539.14	Nuclear physics
539.18	Atomic and molecular physics
539.2	Condensed matter

55	Geology and meteorology
55.01	Analytical methods
55.08	Areal geology, Nordic countries
55.14	Areal geology, Europe
55.15	Areal geology, Asia
55.16	Areal geology, Africa
55.17	Areal geology, America
550.3	Geophysics
550.34	Seismology
550.38	Geomagnetism
550.4	Geochemistry
550.42	Isotope geology
551	General geology
551.21	Vulcanology
551.23	Geodynamics
551.243	Structural geology
551.305.1	Sedimentology
551.32	Glasiology
551.4	Geomorphology
551.46	Oseanography
551.5	Meteorology
551.509	Sään ennustaminen
551.51	Ilmakehän koostumus
551.52	Ilmakehän säteily
551.55	Tuuli
551.57	Ilman kosteus
551.58	Climatology
551.59	Erilaiset ilmiöt
551.7	Historical geology
552	Petrology
553	Ore geology
556	Hydrology
556.3	Hydrogeology

	Paleontology

	Biological sciences
573	Biology (general and theoretical biology)
574	Ecology
574.9	Biogeography
577.3	Biophysics, medical physics

	Engineering sciences, technology, industry
62	Engineering sciences and technology
620.1	Materials physics
620.9	Energy economics
621.039	Nuclear technology
621.38	Electronics
622	Engineering geology
623.459	Chemical weapons

	Regional planning

	Geography
91	Geography in general
911.2	Physical geography
911.3	Human geography
911.331	Economical geography
911.332	Political geography
911.338	Tourism, tourism geography
911.375	Urban geography
911.8	Methodology
912	Cartography
913	Regional geography in general
914	Europe
914.7	Russia
914.8	Nordic countries
914.80	Finland
915	Asia
916	Africa
917	North America
918	South America
919.16	Polar regions
919.9	Australia and Oceania

	Textbooks, teaching
99.51	Textbooks in mathematics
99.511	High school etc. textbooks in mathematics
99.53	Textbooks in physics
99.531	High school etc. textbooks in physics
99.54	Textbooks in chemistry
99.541	High school etc. textbooks in physics
99.91	Textbooks in geography
990	Education, teaching