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  Argument
 
    number         Real expression
 
  Returns
 
    <real type>    Number without its integer part
 
  Description
 
    The Frac function takes a real value and returns the fractional
    part of the number, discarding any whole number part. The
    fractional part lies to the right of the decimal.
 
    The Int function returns the part of the number omitted from the
    return value of Frac. The following two lines are equivalent:
 
       result := Frac( number );
    or
       result := number - Int( number );