Classification
515 - Analysis
57
530 - Physics
53
519 - Probabilities & applied mathematics
25
512 - Algebra
15
516 - Geometry
13
510 - Mathematics
12
620 - Engineering & allied operations
10
514 - Topology
5
621 - Applied physics
5
003 - Systems
3
004 - Data processing & computer science
3
006 - Special computer methods
3
501 - Philosophy & theory
3
511 - General principles of mathematics
3
518 - Numerical analysis
3
330 - Economics
2
523 - Specific celestial bodies & phenomena
2
531 - Classical mechanics; solid mechanics
2
570 - Life sciences; biology
2
629 - Other branches of engineering
2
001 - Knowledge
1
005 - Computer programming, programs & data
1
040 - [Unassigned]
1
300 - Social sciences
1
370 - Education
1
400 - Language
1
500 - Natural sciences & mathematics
1
509 - Historical, geographic & persons treatment
1
521 - Celestial mechanics
1
534 - Sound & related vibrations
1
535 - Light & infrared & ultraviolet phenomena
1
539 - Modern physics
1
541 - Physical chemistry
1
550 - Earth sciences
1
613 - Personal health & safety
1
614 - Incidence & prevention of disease
1