Function: 2 *(tan(numbers("xxr") if numbers('yxy') > numbers('rep') else numbers("per")) if numbers('rep') if numbers("per") > numbers('yxy') else numbers("xxr") if numbers('rep') > abs(tan(numbers("xxr") if numbers("per") > numbers('rep') else numbers('yxy'))) else tan(numbers('yxy') if numbers("per") > numbers("xxr") else numbers('rep')) > abs(tan(numbers("xxr") if numbers("per") > numbers('yxy') else numbers('rep'))) else numbers('yxy') if numbers("xxr") > numbers('rep') else numbers("per"))