I am a native Chinese speaker, living in mainland China. I am good at mathematics and computer programming.
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Chinese language
Q&A for professional and enthusiast programmers
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Q&A for people studying math at any level and professionals in related fields
Q&A for linguists, etymologists, and serious English language enthusiasts