Function: minus(band pass(mod(band pass(numbers("xxy")), numbers("xxy"))), mod(band pass(numbers("xxy")), numbers("xxy"))) if band pass(mod(band pass(numbers("xxy")), numbers("xxy"))) > band pass(numbers("xxy")) else mod(band pass(numbers("xxy")), numbers("xxy")) if band pass(mod(band pass(numbers("xxy")), numbers("xxy"))) > minus(band pass(mod(band pass(numbers("xxy")), numbers("xxy"))), mod(band pass(numbers("xxy")), numbers("xxy"))) else mod(band pass(numbers("xxy")), numbers("xxy"))