LBound (math) Purpose Returns an integer indicating the lower bound of an array. If the variable is not an array, an error occurs. Syntax LBound (Array) Example Sub Main()         Dim i As Integer         Dim arr(10) As Integer         If IsArray(arr) Then                 For i = LBound(arr) To UBound(arr)                         arr(i) = i                 Next i         End If End Sub