撰写数学专业留学文书时，你可以参考以下要点：

个人陈述（Personal Statement, PS）

教育背景

工作经历

提及任何相关的实习或工作经验，以及你从中学到的技能。

社会活动组织能力

描述你参与或组织的活动，以及你担任的职务。

才能展示

突出你的领导能力、组织能力、交流沟通能力或协调能力。

学习计划和目的

阐述你的学习计划和目标，以及你希望通过留学达到的目标。

奖励和成就

列出你所获得的奖项或荣誉，以及是否有论文发表。

推荐信（Recommendation Letter, RL）

推荐人信息

认识时间

推荐人与你认识的时间长度。

学术能力评价

推荐人对你学术能力的评价和描述。

范例

```

[Professor Zhang Hua's Name]

[Professor Zhang Hua's Title]

[School of Management]

[University Name]

[Address]

[City, State, ZIP Code]

[Country]

[Phone Number]

[Email]

[Date]

[Recipient's Name]

[Recipient's Title]

[Recipient's Institution]

[Address]

[City, State, ZIP Code]

[Country]

Dear [Recipient's Name],

I am writing this letter of recommendation for [Your Name], who was my student in the Department of Mathematics at [University Name] from [Start Date] to [End Date]. As [Your Title] in the [Your Department], I had the privilege of teaching and mentoring [Your Name] during his/her academic journey.

[Your Name] demonstrated a profound interest in mathematics from an early age, often engaging in discussions on complex problems and seeking innovative solutions. His/her dedication to the subject was evident in his/her consistent high grades and participation in advanced mathematical research projects.

Beyond academics, [Your Name] was an active participant in various extracurricular activities, including [mention any relevant activities or clubs]. He/she was also a leader in our department's study group, where he/she consistently motivated and guided his/her peers.

It is without hesitation that I recommend [Your Name] for a position in your institution's mathematics program. His/her passion for the subject, coupled with his/her analytical and problem-solving skills, will undoubtedly make him/her an asset to your academic community.

Please do not hesitate to contact me if you require any further information.

Sincerely,

[Professor Zhang Hua's Signature]

[Professor Zhang Hua's Name]

```

请根据你的具体情况调整上述内容，并确保文书内容真实、全面且简明扼要。