Classification
516 - Geometry
496
515 - Analysis
236
530 - Physics
175
512 - Algebra
103
514 - Topology
102
510 - Mathematics
78
519 - Probabilities & applied mathematics
75
620 - Engineering & allied operations
33
006 - Special computer methods
25
003 - Systems
24
629 - Other branches of engineering
24
531 - Classical mechanics; solid mechanics
14
500 - Natural sciences & mathematics
12
518 - Numerical analysis
12
004 - Data processing & computer science
10
001 - Knowledge
6
523 - Specific celestial bodies & phenomena
6
511 - General principles of mathematics
5
537 - Electricity & electronics
5
300 - Social sciences
4
513 - Arithmetic
4
621 - Applied physics
4
000 - Computer science, information & general works
3
535 - Light & infrared & ultraviolet phenomena
3
539 - Modern physics
3
005 - Computer programming, programs & data
2
550 - Earth sciences
2
570 - Life sciences; biology
2
576 - Genetics & evolution
2
050 - General serial publications
1
153 - Mental processes & intelligence
1
333 - Economics of land & energy
1
340 - Law
1
361 - Social problems & social welfare in general
1
501 - Philosophy & theory
1
526 - Mathematical geography
1
536 - Heat
1
541 - Physical chemistry
1
578 - Natural history of organisms
1
610 - Medicine & health
1
616 - Diseases
1
658 - General management
1
670 - Manufacturing
1
780 - Music
1
900 - History & geography
1
910 - Geography & travel
1