Function: log(numbers("yxx"), numbers('yyx')) if round(log(numbers("yxx"), numbers('yyx')), numbers("yxx")) > minus(round(log(numbers("yxx"), numbers('yyx')), numbers("yxx")), log(numbers("yxx"), numbers('yyx'))) else numbers("yxx") if log(numbers("yxx"), numbers('yyx')) > round(log(numbers("yxx"), numbers('yyx')), numbers("yxx")) else minus(round(log(numbers("yxx"), numbers('yyx')), numbers("yxx")), log(numbers("yxx"), numbers('yyx')))