#property copyright "Celestino Ferreira Gomes"
#property link      "https://blog.tinogomes.com"
#property version   "1.00"
#property indicator_chart_window

int OnInit()
 {

  return(INIT_SUCCEEDED);
 }

int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
 {

  int firstCandle = 0;
  
  int initial = prev_calculated > firstCandle ? prev_calculated - firstCandle : firstCandle;
  
  for(int i=initial;i<rates_total && !IsStopped() ;i++)
    {
     // Write your code here
    }


  return(rates_total);
 }