t_id = AllocTable()
   AddColumn(t_id, 1, "1", true, QTABLE_DATE_TYPE, 15)
   AddColumn(t_id, 2, "2", true, QTABLE_TIME_TYPE, 15)
   AddColumn(t_id, 3, "3", true, QTABLE_INT_TYPE, 15)
   AddColumn(t_id, 4, "4", true, QTABLE_INT_TYPE, 15)
   t = CreateWindow(t_id)
   for f = 0, 99 do
      InsertRow(t_id, -1)
      a = math.random(1000, 3000)
      SetCell(t_id, f, 3, tostring(a), a)
      a = math.random(1000, 3000)
      SetCell(t_id, f, 4, tostring(a), a)
   end 

Settings={
Name="TEST",
t_id=14,
    line=                                     
                {                                     
                    {  
                        Name = "Val",
                        Type =TYPE_LINE,
                        Width = 1,
                        Color = RGB(255,0,0)
                    }
                }
}

function Init()
  return 3
end

function OnCalculate(index)
   local val

   if index == 1 then
      val = GetCell(Settings.t_id, 1, 3).value
   end
   return nil
end