nNumPage Page number Page number as numeric Can be used for condition expression Can be used with transformation, (ex. Str(nNumPage, 4, 0)) numeric 4 0 nNumPageStr Page number as character Page number as character Can NOT be used for condition expression : cannot be evaluated as string MUST be used WITHOUT transformation (ex. 'Page ' + nNumPageStr) : nNumPageStr will be replaced as string in expression character 4 0 nTotalPages Total page number Total page number as numeric Can NOT be used for condition expression : cannot be evaluated until document is finished Can NOT be used with transformation, (ex. Str(nTotalPages, 4, 0)) : expression will be replaced by nTotalPages numeric 4 0 nTotalPagesStr Total page number as character Total page number as character Can NOT be used for condition expression : cannot be evaluated as string MUST be used WITHOUT transformation (ex. 'Page ' + nTotalPagesStr) : nTotalPagesStr will be replaced as string in expression character 4 0