VBA Max and Min functions

VBA_MaxMin.vbs

Function max(ParamArray ListItems() As Variant)
    
    Dim i As Integer
    
    If UBound(ListItems) >= 0 Then
        max = ListItems(0)
        For i = 1 To UBound(ListItems)
            If ListItems(i) > max Then max = ListItems(i)
        Next i
    End If
    
End Function

Function min(ParamArray ListItems() As Variant)
    
    Dim i As Integer
    
    If UBound(ListItems) >= 0 Then
        min = ListItems(0)
        For i = 1 To UBound(ListItems)
            If ListItems(i) < min Then min = ListItems(i)
        Next i
    End If
    
End Function