40XX 


Sequences, series, summability 

40Axx 

Convergence and divergence of infinite limiting processes 


40A05 
Convergence and divergence of series and sequences 


40A10 
Convergence and divergence of integrals 


40A15 
Convergence and divergence of continued fractions [See also 30B70] 


40A20 
Convergence and divergence of infinite products 


40A25 
Approximation to limiting values (summation of series, etc.) {For the EulerMaclaurin summation formula, see 65B15} 


40A30 
Convergence and divergence of series and sequences of functions 


40A99 
None of the above, but in this section 