Classification
516 - Geometry
743
512 - Algebra
173
515 - Analysis
125
514 - Topology
72
530 - Physics
51
519 - Probabilities & applied mathematics
43
511 - General principles of mathematics
24
006 - Special computer methods
17
510 - Mathematics
15
621 - Applied physics
11
003 - Systems
8
040 - [Unassigned]
8
005 - Computer programming, programs & data
6
004 - Data processing & computer science
5
501 - Philosophy & theory
5
620 - Engineering & allied operations
5
518 - Numerical analysis
4
531 - Classical mechanics; solid mechanics
4
548 - Crystallography
3
509 - Historical, geographic & persons treatment
2
001 - Knowledge
1
014 - Bibliographies of anonymous & pseudonymous works
1
057 - Serials in Slavic languages
1
153 - Mental processes & intelligence
1
160 - Logic
1
370 - Education
1
500 - Natural sciences & mathematics
1
520 - Astronomy & allied sciences
1
523 - Specific celestial bodies & phenomena
1
535 - Light & infrared & ultraviolet phenomena
1
537 - Electricity & electronics
1
539 - Modern physics
1
550 - Earth sciences
1
576 - Genetics & evolution
1
629 - Other branches of engineering
1
808 - Rhetoric & collections of literature
1