附加數
| 書名 | 作者 | 出版社 | 售價 | 新舊程度 | 相片 |
| Additional Maths A Complete Guide (2nd Ed) (已售) | Ngai Yuk Chung | Aristo | 39.9 | 60% | |
| Additonal Pure Maths A Modern Course Vol.1(4th Ed) | W.K.Chow,P.F.So, K.Y.Tam,W.K.Mui | Chung Tai | 59.9 | 60% | |
| Vectors & Complex Numbers | Leo C.F. Leung | Yih Mei Book Co. | 29.9 | 80% | |
| Integral Calculus | Leo C.F. Leung | Yih Mei Book Co. | 29.9 | 80% | |
| Algebra | Leo C.F. Leung | Yih Mei Book Co. | 29.9 | 80% | |
| New Way Additional Mathematics 1 (2nd Ed) | Y. F. So & M. S. Wong | Manhattan | 39.9 | 80% | |
| New Way Additional Mathematics 2 (2nd Ed) | Y. F. So & M. S. Wong | Manhattan | 39.9 | 80% |