SELECT 
  TO_CHAR(1975.5) AS "No Format", 
  TO_CHAR(1975.5, '999') AS "999", 
  TO_CHAR(1975.5, '9999') AS "9999", 
  TO_CHAR(1975.5, '9,999.9') AS "9,999.9", 
  TO_CHAR(1975.5, '9G999D9') AS "9G999D9", 
  TO_CHAR(1975.5, '99,999.99') AS "99,999.99", 
  TO_CHAR(1975.5, '09,999.990') AS "09,999.990", 
  TO_CHAR(1975.5, '$99,999.99') AS "$99,999.99", 
  TO_CHAR(1975.5, 'L9,999.99') AS "L9,999.99", 
  TO_CHAR(1975.5, 'C9,999.99') AS "C9,999.99", 
  TO_CHAR(1975.5, 'U9,999.99') AS "U9,999.99", 
  TO_CHAR(1975.5, 'S9,999.99') AS "S9,999.99", 
  TO_CHAR(1975.5, '9,999.99S') AS "9,999.99S", 
  TO_CHAR(1975.5, '9,999.99MI') AS "9,999.99MI", 
  TO_CHAR(-1975.5, '9,999.99MI') AS "9,999.99MI", 
  TO_CHAR(-1975.5, '9,999.99PR') AS "9,999.99PR", 
  TO_CHAR(1975.5, '9,999.99PR') AS "9,999.99PR", 
  TO_CHAR(01975.50, 'FM9,999.99') AS "FM9,999.99", 
  TO_CHAR(1975.5, '9.99EEEE') AS "9.99EEEE" 
FROM dual