DDC - 500 - Natural sciences & mathematics
000 100 200 300 400 500 600 700 800 900
Dewey Decimal Classification System
500 Natural sciences & mathematics 500 Generalities
  • 500 Natural sciences & mathematics 
    • 500.2 Physical sciences
    • 500.5 Space sciences
    • 500.8 History and description with respect to kinds of persons
  • 501 Philosophy & theory
  • 502 Miscellany 
    • 502.8 Auxiliary techniques and procedures; apparatus, equipment, materials
  • 503 Dictionaries & encyclopedias
  • 504 
  • 505 Serial publications
  • 506 Organizations & management
  • 507 Education, research, related topics 
    • 507.8 Use of apparatus and equipment in study and teaching
  • 508 Natural history 
    • 508.3 Treatment by areas, regions, places in general; by specific continents, countries, localities in the ancient world
  • 509 Historical, areas, persons treatment
510 Mathematics
  • 510 Mathematics 
    • 510.1 Philosophy and theory
  • 511 General topics 
    • 511.3 Mathematical (Symbolic) logic
  • 512 Algebra & number theory 
    • 512.9 Foundations of algebra
    • 513 Arithmetic
    • 513.2 Specific arithmetic operations
    • 513.5 Numeration systems
  • 514 Topology
  • 515 Analysis
  • 516 Geometry 
    • 516.2 Euclidean geometry
    • 516.3 Analytic geometries
    • 516.9 Non-Euclidean geometries
  • 517
  • 518
  • 519 Probabilities & applied mathematics 
    • 519.2 Probabilities

    • 519.3 Game theory
      519.4 Applied numerical analysis
      519.5 Statistical mathematics
      519.7 Programming
      519.8 Special topics
520 Astronomy & allied sciences
  • 520 Astronomy & allied sciences 
    • 520.1 Philosophy and theory
  • 521 Celestial mechanics
  • 522 Techniques, equipment, materials
  • 523 Specific celestial bodies & phenomena 
    • 523.1 The universe; space, galaxies, quasars
    • 523.2 Solar system
    • 523.3 Moon
    • 523.4 Planets
    • 523.5 Meteoroids, solar wind, zodiacal light
    • 523.6 Comets
    • 523.7 Sun
    • 523.8 Stars
    • 523.9 Satellites and rings; eclipses, transits, occultations
  • 524 
  • 525 Earth (Astronomical geography)
  • 526 Mathematical geography 
    • 526.3 Geodetic surveying
    • 526.9 Surveying
  • 527 Celestial navigation
  • 528 Ephemerides
  • 529 Chronology
530 Physics
  • 530 Physics 
    • 530.1 Theories and mathematical physics
    • 530.4 States of matter
    • 530.8 Testing and measurement
  • 531 Classical mechanics; Solid mechanics
  • 532 Fluid mechanics; Liquid mechanics
  • 533 Gas mechanics
  • 534 Sound & related vibrations 
    • 534.5 Subsonic and ultrasonic vibrations
  • 535 Light & related radiations 
    • 535.5 Beams
    • 535.6 Color
    • 535.8 Spectroscopy
  • 536 Heat
  • 537 Electriticy & electronics 
    • 537.5 Electronics
    • 537.6 Electric currents (Electrodynamics) and thermoelectricity
  • 538 Magnetism
  • 539 Modern physics 
    • 539.2 Radiations (Radiant energy)
    • 539.7 Atomic and nuclear physics
540 Chemistry & allied sciences
  • 540 Chemistry & allied sciences 
    • 540.1 Philosophy and theory
    • 540.2 Miscellany
  • 541 Physical & theoretical chemistry 
    • 541.2 Theoretical chemistry
    • 541.3 Physical chemistry
  • 542 Techniques, equipment, materials
  • 543 Analytical chemistry
  • 544 Qualitative analysis
  • 545 Quantitative analysis
  • 546 Inorganic chemistry
  • 547 Organic chemistry 
    • 547.1 Physical and theoretical organic chemistry
    • 547.3 Analytical organic chemistry
    • 547.7 Macromolecular and related compounds
    • 547.8 Other organic substances
  • 548 Crystallography
  • 549 Mineralogy 
    • 549.9 Geographic distribution of minerals
550 Earth sciences
  • 550 Earth sciences 
    • 550.1 Philosophy and theory
    • 550.9 Historical, geographic, persons treatment
  • 551 Geology, hydrology, meteorology 
    • 551.1 Gross structure and properties of the earth
    • 551.2 Volcanoes, earthquakes, thermal waters and gases
    • 551.3 Surface and exogenous processes and their agents
    • 551.4 Geomorphology and hydrosphere, water
    • 551.5 Meteorology
    • 551.6 Climatology and weather
    • 551.7 Historical geology
    • 551.8 Structural geology
    • 551.9 Geochemistry
  • 552 Petrology
  • 553 Economic geology 
    • 553.2 Carbonaceous materials
    • 553.3 Iron
    • 553.4 Metals and semimetals
    • 553.5 Structural and sculptural stone
    • 553.6 Other economic materials
    • 553.7 Water
    • 553.8 Gems
  • 554 Earth sciences of Europe
  • 555 Earth sciences of Asia
  • 556 Earth sciences of Africa
  • 557 Earth sciences of North America
  • 558 Earth sciences of South America
  • 559 Earth sciences of other areas
560 Paleontology, paleozoology
  • 560 Paleontology; Paleozoology 
    • 560.9 Historical, geographic, persons treatment of paleontology, of paleozoology
  • 561 Paleobotany
  • 562 Fossil invertebrates
  • 563 Fossil primitive phyla
  • 564 Fossil mollusks & related phyla
  • 565 Other fossil invertebrates
  • 566 Fossil vertebrates
  • 567 Fossil cold-blooded vertebrates 
    • 567.9 Reptiles
  • 568 Fossil birds
  • 569 Fossil mammals
570 Life sciences
  • 570 Life sciences
  • 571 
  • 572 Human races 
    • 572.9 Geographic distribution of races
  • 573 Physical anthropology 
    • 573.2 Evolution and genetics of humankind
    • 573.3 Prehistoric humankind
  • 574 Biology 
    • 574.1 Physiology
    • 574.2 Pathology
    • 574.3 Development and maturation
    • 574.4 Anatomy and morphology
    • 574.5 Ecology
    • 574.6 Economic biology
    • 574.8 Tissue, cellular, molecular biology
    • 574.9 Geographic treatment of organisms
  • 575 Evolution & genetics 
    • 575.1 Genetics
    • 575.2 Variation
  • 576 Microbiology
  • 577 General nature of life
  • 578 Microscopy in biology
  • 579 Collection and preservation
580 Botanical sciences
  • 580 Botanical sciences
  • 581 Botany 
    • 581.1 Physiology of plants
    • 581.2 Pathology of plants
    • 581.3 Development and maturation of plants
    • 581.4 Anatomy and morphology
    • 581.5 Ecology
    • 581.6 Economic botany
    • 581.8 Tissue, cellular, molecular botany
    • 581.9 Geographic treatment of plants
  • 582 Seed-bearing plants 
    • 582.1 Nontaxonomic groupings
  • 583 Dicotyledons
  • 584 Monocotyledons
  • 585 Gymnosperms (Naked-seed plants)
  • 586 Seedless plants
  • 587 Pteridophyta (Vascular seedless plants)
  • 588 Bryophytes
  • 589 Thallophytes & prokaryotes 
    • 589.1 Lichens
    • 589.2 Fungi
    • 589.3 Algae
    • 589.4 Specific types of algae
    • 589.9 Prokaryotes; Bacteria
590 Zoological sciences
  • 590 Zoological sciences
  • 591 Zoology 
    • 591.1 Physiology of animals
    • 591.2 Pathology of animals
    • 591.3 Development and maturation of animals
    • 591.4 Anatomy and morphology of animals
    • 591.5 Ecology of animals
    • 591.4 Anatomy and morphology
    • 591.5 Ecology
    • 591.6 Economic biology
    • 591.8 Tissue, cellular, molecular zoology
    • 591.9 Geographic treatment of animals
  • 592 Invertebrates
  • 593 Protozoa, Echinodermata, related phyla 
    • 593.1 Protozoa
    • 593.4 Parazoa Sponges
    • 593.6 Anthozoa
    • 593.7 Hydrozoa and Scyphozoa
    • 593.8 Comb jellies
    • 593.9 Echinodermata
  • 594 Mollusks & related phyla
  • 595 Other invertebrates 
    • 595.1 Worms and related animals
    • 595.3 Crustaceans and chelicerates
    • 595.4 Arachnids
    • 595.6 Progoneata
    • 595.7 Insects
  • 596 Vertebrates
  • 597 Cold-blooded vertebrates 
    • 597.6 Amphibians
    • 597.7 Apoda (Caecilians)
    • 597.8 Anura (Salientia)
    • 597.9 Reptiles
  • 598 Birds 
    • 598.2 Ecology and geographic treatment of birds
    • 598.3 Charadriiformes, Ciconiiformes, Gruiformes
    • 598.4 Anseriformes and other water birds
    • 598.5 Palaeognathae
    • 598.6 Galliformes and Columbiformes
    • 598.7 Coliiformes, Cuculiformes, Piciformes, Psittaciformes, Trogoniformes
    • 598.8 Perching birds, Apodiformes, Coraciiformes
    • 598.9 Birds of prey, owls, Caprimulgiformes
  • 599 Mammals 
    • 599.1 Monotremes
    • 599.2 Marsupials
    • 599.3 Unguiculata
    • 599.4 Bats
    • 599.5 Cetaceans and sirenians
    • 599.6 Paenungulata
    • 599.7 Ungulates, carnivores, aardvarks
    • 599.8 Primates
    • 599.9 Humankind and forebears