lib/bigint.pl An arbitrary precision integer arithmetic package
lib/bigrat.pl An arbitrary precision rational arithmetic package
lib/blib.pm For "use blib"
+lib/byte.pm Pragma to enable byte operations
+lib/byte_heavy.pl Support routines for byte pragma
lib/cacheout.pl Manages output filehandles when you need too many
lib/caller.pm Inherit pragmatic attributes from caller's context
lib/charnames.pm Character names