Function: divide(minus(numbers('xyy') if numbers("per") > band pass(numbers('xyy')) if numbers("per") > numbers('xyy') else numbers("xxr") else band pass(numbers('xyy')), numbers("per") if band pass(numbers('xyy')) > numbers("xxr") else numbers('xyy')), numbers("per") if band pass(numbers('xyy')) > numbers("xxr") else numbers('xyy') if numbers("per") > band pass(numbers('xyy')) else numbers('xyy'))
