Funktionelle
Funktionelle is not a single concept but a form that appears in several languages with related but distinct meanings. In German, the root funktionell means related to function. The capitalized noun das Funktional denotes a mathematical functional, and the plural Funktionale can appear when referring to several such mappings; in analytic contexts it is a technical term. As an adjective, the feminine form funktionelle can modify feminine nouns, for example eine funktionelle Einheit (a functional unit).
In French, the feminine adjective fonctionnelle is widely used in technical and scientific language. It appears
In other languages with shared Latin roots, cognates such as funktionell (Swedish, Norwegian) or fonctionnel (French)
Usage notes and interpretation depend on context. In mathematics or theoretical disciplines, funktional or Funktional has