例: Oct function

Print Oct$(17)                          ' Prints "21"
' Converts Double argument to Long.
Print Oct$(17.0)                        ' Prints "21"
' Rounds Double argument, then converts to Long.
Print Oct$(17.3)                        ' Prints "21"
' Computes product 16.587, rounds to 17.0, then 
' converts to Long.
Print Oct$(17.1 * .97)                  ' Prints "21"