= array(
'RADIAN' => array('1','rad'),
'MIL' => array(array('' => M_PI,'/' => '3200'), 'mil'),
'GRAD' => array(array('' => M_PI,'/' => '200'), 'gr'),
'DEGREE' => array(array('' => M_PI,'/' => '180'), '°'),
'MINUTE' => array(array('' => M_PI,'/' => '10800'), "'"),
'SECOND' => array(array('' => M_PI,'/' => '648000'), '"'),
'POINT' => array(array('' => M_PI,'/' => '16'), 'pt'),
'CIRCLE_16' => array(array('' => M_PI,'/' => '8'), 'per 16 circle'),
'CIRCLE_10' => array(array('' => M_PI,'/' => '5'), 'per 10 circle'),
'CIRCLE_8' => array(array('' => M_PI,'/' => '4'), 'per 8 circle'),
'CIRCLE_6' => array(array('' => M_PI,'/' => '3'), 'per 6 circle'),
'CIRCLE_4' => array(array('' => M_PI,'/' => '2'), 'per 4 circle'),
'CIRCLE_2' => array(M_PI, 'per 2 circle'),
'FULL_CIRCLE' => array(array('' => M_PI,'*' => '2'), 'cir'),
'STANDARD' => 'RADIAN'
)