Function: sqrt(minus(divide(numbers('ryy'), numbers('xyy')), numbers('ryy'))) if divide(numbers('ryy'), numbers('xyy')) > divide(numbers('ryy'), numbers('xyy')) if numbers('ryy') > minus(divide(numbers('ryy'), numbers('xyy')), numbers('ryy')) else sqrt(minus(divide(numbers('ryy'), numbers('xyy')), numbers('ryy'))) else minus(divide(numbers('ryy'), numbers('xyy')), numbers('ryy'))