Function: minus(sum(numbers("yxx") if numbers('xyy') if numbers('xyy') > tan(numbers('xyy')) else numbers("yxx") > numbers('xyy') else tan(numbers('xyy')), tan(numbers('xyy')) if numbers("yxx") > numbers('xyy') else numbers('xyy')), tan(numbers('xyy')) if numbers('xyy') > numbers("yxx") else numbers('xyy') if numbers("yxx") > numbers('xyy') else tan(numbers('xyy')))