## 68-XX COMPUTER SCIENCE (For papers involving machine computations and programs in a specific mathematical area, see Section {04 in that areag 68-00 General reference works (handbooks, dictionaries, bibliographies, etc.)

- 68-01 Instructional exposition (textbooks, tutorial papers, etc.)
- 68-02 Research exposition (monographs, survey articles)
- 68-03 Historical (must also be assigned at least one classification number from Section 01)
- 68-04 Explicit machine computation and programs (not the theory of computation or programming)
- 68-06 Proceedings, conferences, collections, etc.
- 68Mxx Computer system organization
- 68Nxx Software
- 68Pxx Theory of data
- 68Qxx Theory of computing
- 68Rxx Discrete mathematics in relation to computer science (1)
- 68Txx Artificial intelligence
- 68Uxx Computing methodologies and applications
- 68Wxx Algorithms (For numerical algorithms, see 65-XX; for combinatorics and graph theory, see 05C85, 68Rxx) (1)