Function: divide(tan(square(numbers('xyy')) if numbers('yxy') > numbers("per") else numbers('xyy') if square(numbers('xyy')) > numbers('xyy') else numbers('yxy')), numbers('yxy') if square(numbers('xyy')) if numbers('xyy') > numbers("per") else numbers('yxy') > square(numbers('xyy')) else numbers('xyy'))
