function recalc(tal, dec){
  res = "NAN";
  sum = "";
  delimiter = Math.pow(10, dec);
  if(tal >= 0 || tal <= -1)
  {
    res = Math.round(tal * delimiter) / delimiter;
  } else if(tal > -1) {
        tal = tal.toString();
    arr = tal.split('');
    counter = 1;
    activator = 0;
     $.each( arr, function( index, value ){
        if(activator == 0 && value == "."){
            activator = 1;
        } else if(activator == 1 && value == "0"){
            counter++;
        } else if(activator == 1 || activator == 2) {
            activator = 2;
          sum += value;
        } else {
            //do nothing(skip value)
        }
    });
    res = sum+"e-"+counter;
  } else {

  }
  return res;
}