# Resources for Students
**Source**: https://www.ntu.edu.sg/ase/admissions/undergraduate-programmes/resources-for-students
**Parent**: https://www.ntu.edu.sg/ase/admissions/undergraduate-programmes/second-major-in-sustainability
1. \
2. [Timetable for Academic Year 2022/2023](/admissions/matriculation/academic-calendars#Content_C012_Col00) \
3. [Calculator Registration](/ase/admissions/undergraduate-programmes/resources-for-students/registration-of-calculators)\
4. [Declaration of S/U Option & Minor](/ase/admissions/undergraduate-programmes/resources-for-students/s-u-option-and-minor-programme)\
5. [Flexible Grading Option (FGO)](https://wcms-prod-admin.ntu.edu.sg/Sitefinity/adminapp/pages/admissions/undergraduate-programmes/resources-for-students/flexible-grading-option-%28fgo%29/Action/Edit/en)
6. [Study Year Promotion](/ase/admissions/undergraduate-programmes/resources-for-students/study-year-promotion)
7.
8.
9. **Useful Links**
- [Course Description](https://wish.wis.ntu.edu.sg/webexe/owa/aus_subj_cont.main)
- [NTU Class Schedule](https://wish.wis.ntu.edu.sg/webexe/owa/aus_schedule.main)
- [Examination](https://entuedu.sharepoint.com/sites/Student/dept/sasd/oas/SitePages/Examination%20and%20Assessment/examination_and_assessment.aspx)
- [Degree Classification](http://www3.ntu.edu.sg/cao3/CareerAxis/New_Nomenclature.pdf)
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- [Student Certification Letter](/education/academic-services/certification-letters)
- [Leave of Absence & Withdrawal from University](D85AC4B0-1F65-4C70-AC58-5DF46DA78AB7)