- S6 3D Trigonometry
- Folding Aeroplane (HKCEE 1999 )
- 2006 HKCEE Q17 (90 deg)
- HKCEE-AM 2006 Q17
- HKCEE 2009 Q17
- HKCEE 2010 Q15
- HKCEE-AM 2010 Q17 part a+b
- HKCEE-AM 2010 Q17 part c
- HKCEE-AM 2010 Q17 additional part
- HKCEE 2011 Q17
- HKDSE Sample Paper I #18
- HKDSE Practice Paper I #18
- HKDSE 2012 Paper I #18
- HKDSE 2013 Paper I #18
- HKDSE 2014 Paper I #17
- HKDSE 2015 Paper I #19
- HKDSE 2016 Paper I #19
- HKDSE 2017 Paper I #19
- HKDSE 2018 Paper I #17
