| MSC 1991 | Number of Preprints | |
| 94-XX | Information and communication, circuits
| 11 | browse |
| 94-00 | General reference works (handbooks, dictionaries, bibliographies, etc.)
| 11 | browse |
| 94-01 | Instructional exposition (textbooks, tutorial papers, etc.)
| 11 | browse |
| 94-02 | Research exposition (monographs, survey articles)
| 11 | browse |
| 94-03 | Historical
| 11 | browse |
| 94-04 | Explicit machine computation and programs (not the theory of computation or programming)
| 11 | browse |
| 94-06 | Proceedings, conferences, collections, etc.
| 11 | browse |
| 94Axx | Communication, information
| 59 | browse |
| 94Bxx | Theory of error-correcting codes
| 29 | browse |
| 94Cxx | Circuits, networks
| 24 | browse |
| 94D05 | Fuzzy sets and logic (in connection with questions of Section 94)
| - | |