94-XX Information and communication, circuits

• 94-00 General reference works (handbooks, dictionaries, bibliographies, etc.)
• 94-01 Instructional exposition (textbooks, tutorial papers, etc.)
• 94-02 Research exposition (monographs, survey articles)
• 94-03 Historical (must be assigned at least one classification number from Section 01)
• 94-04 Explicit machine computation and programs (not the theory of computation or programming)
• 94-06 Proceedings, conferences, collections, etc.
• 94Axx Communication, information
• 94Bxx Theory of error-correcting codes
• 94Cxx Circuits, networks
• 94D05 Fuzzy sets and logic {(in connection with questions of Section 94)}, See also {03B52, 03E72, 04A72, 28E10}