ArchiCAD automatically adjusts between Polar (Distance / Angle) and Cartesian (X / Y) Coordinate input method depending the geometry method being used.
Typically linear elements will use the Polar method and rectangular elements will use the Cartesian but sometimes you may want to override this and choose what is most appropriate.
Polar Coordinate input example…
Cartesian Coordinate input example…
To switch between the two methods – simply press the slash key on your keyboard…