Function keys are special keys on the keyboard (usually referred to as "F<n>") which you can use to choose many functions in the R/3 System.

This section provides an overview of the function keys used in the R/3 System with their respective functions.

At first, the function key assignment as it was known until Release 3.0B is described. Then, the new extended function key concept to be introduced gradually from Release 3.0C on is described.