Function: band pass(abs(minus(minus(numbers("yxx"), numbers('rrr')), numbers("yxx")) if numbers("yxx") > minus(numbers("yxx"), numbers('rrr')) else numbers("yxx") if minus(minus(numbers("yxx"), numbers('rrr')), numbers("yxx")) > numbers('rrr') else minus(numbers("yxx"), numbers('rrr'))))
