Function: logn(tan(divide(numbers("xxr"), numbers('epe')))) if numbers("xxr") if logn(tan(divide(numbers("xxr"), numbers('epe')))) > tan(divide(numbers("xxr"), numbers('epe'))) else divide(numbers("xxr"), numbers('epe')) > tan(divide(numbers("xxr"), numbers('epe'))) else divide(numbers("xxr"), numbers('epe'))