The error is this: (High + Low + Close),avgLength), the exact code is this: (High + Low + Close)/3,avgLength)
so the complete and working code is this:
{King Keltner - by George Pruitt}
Inputs: avgLength(40), atrLength(40);
Vars: upBand(0),dnBand(0),liquidPoint(0),movAvgVal(0);
movAvgVal =...