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function round(number, precision) {
  var shift = function (number, precision, reverseShift) {
    if (reverseShift) {
      precision = -precision;
    }  
    numArray = ("" + number).split("e");
    return +(numArray[0] + "e" + (numArray[1] ? (+numArray[1] + precision) : precision));
  };
  return shift(Math.round(shift(number, precision, false)), precision, true);
}
////////////////////////
function roundTo(n, digits) {
  var negative = false;
  if (digits === undefined) {
    digits = 0;
  }
  if (n < 0) {
    negative = true;
    n = n * -1;
  }
  var multiplicator = Math.pow(10, digits);
  n = parseFloat((n * multiplicator).toFixed(11));
  n = (Math.round(n) / multiplicator).toFixed(2);
  if (negative) {
    n = (n * -1).toFixed(2);
  }
  return n;
}