Function: logn(log(tan(numbers("xxx") if numbers("per") > numbers('yyx') else numbers('xry')), numbers("xxx") if numbers("per") > numbers('xry') else numbers('yyx')) if numbers('yyx') > tan(numbers('xry') if numbers("per") > numbers('yyx') else numbers("xxx")) else numbers('yyx') if numbers("xxx") > numbers('xry') else numbers("per"))
