Oct, Oct$ (functions)

Syntax Oct[$] (number)
Description Returns a String containing the octal equivalent of the specified number.
Comments Oct$ returns a String , whereas Oct returns a String variant. The returned string contains only the number of octal digits necessary to represent the number. The number parameter is any numeric expression. If this parameter is Null , then Null is returned. Empty is treated as 0. The number parameter is rounded to the nearest whole number before converting to the octal equivalent.
Example This example accepts a number and displays the decimal and octal 'equivalent until the input number is 0 or invalid. 
Const crlf = Chr$(13) + Chr$(10)
Sub Main()
  Do
    xs$ = InputBox("Enter a number to convert:","Octal Convert")
    x = Val(xs$)
    If x <> 0 Then
      MsgBox "Decimal: " & x & " Octal: " & Oct(x)
    Else
      MsgBox "Goodbye."
    End If
  Loop While x <> 0
End Sub
See Also Hex, Hex$ (functions).