' -----------------------------------------------------------------------------
'                                       DTT 1.2.0.4  (c)2008 FSL - FreeSoftLand
'  Title: 01 Overview
' 
'  Date : 01/04/2008
'  By   : Juan Pedro
' -----------------------------------------------------------------------------

TO_CHAR:    CONVERT a NUMBER INTO a CHARACTER
TO_NUMBER:  converts a string INTO a NUMBER
GREATEST:   finds the largest NUMBER FROM a series OF expressions
LEAST:      finds the smallest NUMBER FROM a series OF expressions

