Private Sub Worksheet_Change(ByVal Target As Range)
If Intersect(Target, [A1:B10]) Is Nothing Then Exit Sub
If Not (IsNumeric(Target.Value)) Then Exit Sub
If Target.Value = "" Then Exit Sub
Application.EnableEvents = False
Target.Value = Application.WorksheetFunction.RoundUp(Target.Value, -2)
Application.EnableEvents = True
End Sub