Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] naked blocks namespaces, packages and naming variables Net::SMTP module networking sockets System V IPC newsgroups next operator non-capturing parentheses non-greedy quantifiers non-scalar return values numbering in exercises numbers complex converting to/from strings floating-point floating-point literals high-precision imaginary integer literals integers large non-decimal integer literals scalars, formats sprintf function and numeric operators |