Function: minus(noise(numbers('xry')), numbers('xry')) if noise(numbers('xry')) > numbers('xry') else numbers("per") if numbers('xry') if numbers('xry') if noise(numbers('xry')) > minus(noise(numbers('xry')), numbers('xry')) else numbers("per") > noise(numbers('xry')) else minus(noise(numbers('xry')), numbers('xry')) > noise(numbers('xry')) else minus(noise(numbers('xry')), numbers('xry'))
