You can access the Advanced Calculation Library sub-module by clicking Plan Setup > Advanced Calculation Library from the LHS menu. Upon clicking this link, the Advanced Calculation Library page is displayed as depicted in the following figure:
The Advanced Calculation Library page displays the existing list with details such as Advanced Calc Library ID and Advanced Calc Description.
You can click the 
button to view the additional fields such as Plan_Documentation, Is_Library, Created Date, and Modified Date.