### 68-XX Computer science,

{For papers involving machine computations and programs in a specific mathematical area, See {Section --04 in} that area}
- 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 be assigned at least one classification number from 01-XX)
- 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
- 68S05 Mathematical linguistics, See also {03B65, 92K20}
- 68Txx Artificial intelligence, see also {92J40}
- 68Uxx Computing methodologies

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