例: Hex function

Print Hex$(15)             ' Prints "F"
' Converts Double argument to Long.
Print Hex$(15.0)           ' Prints "F"
' Rounds Double argument, then converts to Long.
Print Hex$(15.3)           ' Prints "F"
' Computes product 14.841, rounds to 15.0, then converts to 15.
Print Hex$(15.3 * .97)	     ' Prints "F"