33XX 


Special functions [(33XX deals with the properties of functions as functions)} {For orthogonal functions, see 42Cxx; for aspects of combinatorics see 05Axx; for numbertheoretic aspects see 11XX; for representation theory see 22Exx]} 

33Fxx 

Computational aspects 


33F05 
Numerical approximation [See also 65D20] 


33F10 
Symbolic computation (Gosper and Zeilberger algorithms, etc.) [See also 68W30] 


33F99 
None of the above, but in this section 