' Return the minimum value in an array of any type'' FIRST and LAST indicate which portion of the array' should be considered; they default to the first' and last element, respectively' If MININDEX is passed, it receives the index of the' minimum element in the arrayFunction ArrayMin(arr As Variant, Optional ByVal First As Variant, _    Optional ByVal Last As Variant, Optional MinIndex As Long) As Variant    Dim Index As Long        If IsMissing(First) Then First = LBound(arr)    If IsMissing(Last) Then Last = UBound(arr)    MinIndex = First    ArrayMin = arr(MinIndex)    For Index = First + 1 To Last        If ArrayMin > arr(Index) Then            MinIndex = Index            ArrayMin = arr(MinIndex)        End If    NextEnd Function