For any change bigger than a trivial typo fix, please ask Daniel Ehrenberg before making changes to the Factor FAQ.

What is Factor?

See Why Factor? for a list of key features.

What's a stack-based programming language?

A Stack-based language is one which uses the stack, rather than named variables, to manage data flow. This concept is closely related to that of Concatenative languages, most of which are stack-based.

For further questions, look at the following categories:

• Why Factor?
• What do these Factor-related words mean?
• What kind of a language is Factor?
• How is Factor implemented?
• What libraries does Factor have?
• How can I download and install Factor?
• How can I contribute to Factor?
• How can I learn Factor?