1. He handles his daily duties in a systematic way and has never made a mistake before.2. My manager is an organized person. He keeps a checklist and makes sure each item gets the attention it needs.
 systematic organizedOrganized 很貼切好用
他做事井井有條, 從未出錯. 一個做事井井有條的人
It gives the illusio that you've computed the entire answer immediately.