“A feature originally found in Perl, the special variables have special meanings to Ruby. These... Special variable “Method Description to_a Returns the object as an array to_s Returns the object as a string... Conversion Methods “A RubyGem is a software package, commonly called a “gem”. Gems contain a packaged Ruby... Gems Pages in category "Ruby" The following 4 pages are in this category, out of 4 total. A Ruby Wiki:AboutC Conversion MethodsG GemsS Special variable Retrieved from "http://ruby.wikia.com/wiki/Category:Ruby"