Function: abs(sqrt(numbers("xxr") if numbers("per") > numbers('epe') else numbers('rrr') if numbers("xxr") > numbers("per") if numbers("xxr") > divide(numbers("per") if numbers('rrr') > numbers("xxr") else numbers('epe'), numbers("xxr")) else numbers("per") if numbers('rrr') > numbers("xxr") else numbers('epe') else divide(numbers('rrr') if numbers('epe') > numbers("xxr") else numbers("per"), numbers("xxr"))))