Classification
530 - Physics
786
515 - Analysis
196
519 - Probabilities & applied mathematics
86
531 - Classical mechanics; solid mechanics
60
512 - Algebra
57
620 - Engineering & allied operations
56
516 - Geometry
53
539 - Modern physics
49
518 - Numerical analysis
38
621 - Applied physics
30
510 - Mathematics
28
536 - Heat
23
537 - Electricity & electronics
23
535 - Light & infrared & ultraviolet phenomena
19
003 - Systems
17
520 - Astronomy & allied sciences
16
006 - Special computer methods
13
500 - Natural sciences & mathematics
13
514 - Topology
13
523 - Specific celestial bodies & phenomena
13
534 - Sound & related vibrations
11
004 - Data processing & computer science
10
005 - Computer programming, programs & data
10
541 - Physical chemistry
8
550 - Earth sciences
7
629 - Other branches of engineering
7
670 - Manufacturing
6
501 - Philosophy & theory
5
532 - Fluid mechanics; liquid mechanics
5
533 - Gas mechanics
5
548 - Crystallography
4
333 - Economics of land & energy
3
511 - General principles of mathematics
3
526 - Mathematical geography
3
538 - Magnetism
3
571 - Physiology & related subjects
3
001 - Knowledge
2
910 - Geography & travel
2
307 - Communities
1
370 - Education
1
542 - Techniques, equipment & materials
1
612 - Human physiology
1
624 - Civil engineering
1