This is an app that can convert numbers to traditional Chinese. It makes the expression of numbers more diverse and rich, especially in traditional documents or formal occasions. Using traditional Chinese numerals can add a classical elegance, making the text appear more solemn and formal. Furthermore, for certain specific contexts, such as financial statements, ancient book organization, or artistic creation, using traditional Chinese numerals can better fit the cultural context and reduce misunderstandings that may arise due to language differences.