TGuiFormatSettings.CartesianPointFormat
This string specifies the format used to show cartesian coordinates for point series. %1% in the string indicates the x-coordinate and %2% indicates the y-coordinate.
TGuiFormatSettings.DegreePointFormat
This string specifies the format used to show polar coordinates in degrees for point series. %1% in the string indicates the angular coordinate and %2% indicates the radial coordinate.
TGuiFormatSettings.RadianPointFormat
This string specifies the format used to show polar coordinates in radians for point series. %1% in the string indicates the angular coordinate and %2% indicates the radial coordinate.