Note: These formulas have been transcribed from EPSG Guidance Note #7. Users are encouraged to use that document rather than the text which follows as reference because limitations in the transcription will be avoided.¶¶XT = XT0   +   XS .  k . dSX . cos q   +   YS .  k .  dSY  . sin q¶YT = YT0   –   XS .  k .  dSX . sin q    +   YS .  k .  dSY  . cos q¶¶where:¶¶XT0 ,YT0  = the coordinates of the origin point of the source coordinate reference system, expressed in the target coordinate reference system;¶dSX , dSY  = the length of one unit of the source  axis, expressed in units of the target axis, for the X axes and the Y- axes respectively;¶k = point scale factor of the target coordinate reference system in a chosen reference point;¶q  = the angle through which the source coordinate reference system axes must be rotated to coincide with the target coordinate refderence system axes (counter-clockwise is positive). Alternatively, the bearing (clockwise positive) of the source coordinate reference system Y-axis measured relative to target coordinate reference system north.