Function: tan(minus(exp(numbers('epe'), numbers("xxy")), numbers('epe'))) if minus(exp(numbers('epe'), numbers("xxy")), numbers('epe')) > exp(numbers('epe'), numbers("xxy")) else mean(tan(minus(exp(numbers('epe'), numbers("xxy")), numbers('epe'))), minus(exp(numbers('epe'), numbers("xxy")), numbers('epe')))
