Function: logn(log(numbers('yxr'), numbers("per"))) if divide(numbers('yxr') if log(numbers('yxr'), numbers("per")) > numbers("per") else logn(log(numbers('yxr'), numbers("per"))), logn(log(numbers('yxr'), numbers("per")))) > numbers("per") if log(numbers('yxr'), numbers("per")) > numbers('yxr') else logn(log(numbers('yxr'), numbers("per"))) else log(numbers('yxr'), numbers("per"))