94C10 Switching theory, application of Boolean algebra; Boolean functions [See also <a href="#code:06E30">06E30</a>]

94C15 Applications of graph theory [See also <a href="#code:05Cxx">05Cxx</a>, <a href="#code:68R10">68R10</a>]

94C30 Applications of design theory [See also <a href="#code:05Bxx">05Bxx</a>]

94C99 None of the above, but in this section

94Dxx Fuzzy sets and logic (in connection with questions of Section 94) [See also <a href="#code:03B52">03B52</a>, <a href="#code:03E72">03E72</a>, <a href="#code:28E10">28E10</a>]

94D05 Fuzzy sets and logic (in connection with questions of Section 94) [See also <a href="#code:03B52">03B52</a>, <a href="#code:03E72">03E72</a>, <a href="#code:28E10">28E10</a>]

94D99 None of the above, but in this section

97-00 General reference works (handbooks, dictionaries, bibliographies, etc.)

97-01 Instructional exposition (textbooks, tutorial papers, etc.)

97-02 Research exposition (monographs, survey articles)

97-03 Historical (must also be assigned at least one classification number from Section 01)

97-04 Explicit machine computation and programs (not the theory of computation or programming)

97-06 Proceedings, conferences, collections, etc.

97Axx General, mathematics and education

97A10 Comprehensive works, reference books

97A20 Recreational mathematics, games [See also <a href="#code:00A08">00A08</a>]

97A30 History of mathematics and mathematics education [See also <a href="#code:01-XX">01-XX</a>]

97A50 Bibliographies [See also <a href="#code:01-00"> 01-00</a>]

97A99 None of the above, but in this section

97B50 Teacher education {For research aspects, see <a href="#code:97C70">97C70</a>}

97B99 None of the above, but in this section

97Cxx Psychology of mathematics education, research in mathematics education

97C30  Cognitive processes, learning theories

97C99 None of the above, but in this section

97Dxx Education and instruction in mathematics

97D10 Comprehensive works, comparative studies

97D20 Philosophical and theoretical contributions (maths didactics)