To this category, please submit web sites and pages related to only the Refal functional programming language.
Refal is an acronym for REcursive Functions ALgorithmic language. This is usually written in mixed case "Refal", and sometimes in all upper case "REFAL". It is a functional programming language used mainly by mathematicians, for pattern matching, symbol manipulation (symbolic data processing): string processing; computer languages: translation, analysis, metacomputation, etc.; artificial intelligence: theorem proving, natural languages, knowledge bases; computer algebra; scripting and prototyping. It originated in the Soviet Union, created by Valentin F. Turchin. Related websites often have text in English and Russian.