Function: minus(sin(numbers("yyy") if numbers('xry') > numbers("xxx") else log(numbers('xry'), numbers("xxx")) if log(numbers('xry'), numbers("xxx")) > numbers('xry') else numbers("xxx")), log(numbers('xry'), numbers("xxx")) if numbers('xry') > log(numbers('xry'), numbers("xxx")) if numbers("xxx") > numbers("yyy") else numbers('xry') else numbers("xxx"))