XiaoYuan Calculator is a free app launched by Yuanfudao's online education platform, aimed at helping parents and teachers lighten the burden of homework checks. Utilizing photo recognition technology, users can quickly check math, Chinese, and English homework for primary school students, covering grades 1 to 6. The product automatically collects errors and provides targeted practice, helping students overcome mathematical difficulties and common mistakes swiftly. Additionally, teachers can create classes within the app and assign online practice questions, supporting multiple knowledge points and flexible question generation.