Function: minus(sqrt(sqrt(exp(numbers("xxy") if numbers('epe') > numbers('ryy') else numbers('rrr') if numbers('ryy') > numbers("xxy") else numbers('epe'), numbers('epe') if numbers('rrr') > numbers("xxy") else numbers('ryy')))), sqrt(exp(numbers("xxy") if numbers("xxy") if numbers('epe') > numbers('rrr') else numbers('ryy') > numbers('epe') else numbers('ryy'), numbers('ryy') if numbers('rrr') > numbers('epe') else numbers("xxy"))))