$$\huge \int_{\text{birth}}^{\text{death}} \text{life} \, \mathrm{d} t = \text{study}$$
❤️ 公益声明 · Announcement
中文：
本站纯属公益项目，已惠及无数老师和学生。真心感谢每一位的信任！但近期流量持续暴增，维护成本急剧攀升，尤其腾讯带宽费用极其昂贵。为了继续提供高速、稳定的体验，我们急需对服务器硬件进行大幅升级。
🙏 恳请大家多多支持 —— 您的援手能让这个小小站点走得更远。
English:
This website is a non-profit initiative that has benefited numerous teachers and students. We are deeply grateful for your support! However, due to massive traffic surges, maintenance costs are becoming overwhelming — especially the expensive Tencent bandwidth.
To maintain a fast and stable experience, we must significantly upgrade our hardware. We sincerely hope you can support us — every bit helps us continue this public good.
www.CasperYC.club - March 2026
About Me - Dr Yu - 郁博士
- Born and raised in Shanghai China
- Completed BSc MSc PhD degree in United Kingdom
- U.K. teaching license QTS
- Taught Maths and Computer Science in London before COVID-19
- Now working full time as a Head of Department in China
About the site(s)
- Used to be
CasperYC.weebly.combut not accessible from mainland China - Newsite
www.CasperYC.clubcame online from 1st April 2020
What's on this site?
Study Contents
- iG - Edexcel 4XMAH
- iG - 0580 (no longer maintained)
- Pearson Edexcel (U.K.) 8MA0 / 9MA0
- Pearson Edexcel (U.K.) 8FM0 / 9FM0
- Pearson Edexcel International A Level (IAL) Mathematics
- Pearson Edexcel International A Level (IAL) Further Mathematics
- Cambridge Assessment International Education (CAIE) Mathematics 9709
- Cambridge Assessment International Education (CAIE) Further Mathematics 9231
- STEP - Sixth Term Examination Papers
- MAT - Mathematics Admissions Test
Competitions
- UKMT - United Kingdom Mathematics Trust - 英国数学竞赛
- AMC - American Mathematics Competition - 美国数学竞赛
Good Old Solomon Papers
- Mathematics contents
- Further Mathematics contents
- Statistics and Mechanics contents
Misc
- Enrichment
- Numeracy - 心算练习
- CASIO emulators - 卡西欧计算器模拟器 - 在线版
Site Maintenance
- Server provided by Tencent
- Top level domain name paid until 2032
- Bandwidth
Cost of maintenance so far
Domain fees
Bandwidth
Note: 腾讯的带宽是真的真的真的真的贵！！！！！！
Help Maintaining This Site
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