A maths student with lots of questions... I also answer to others when I can, which for the time being is rare but I hope will improve!
Q&A for people studying math at any level and professionals in related fields
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Q&A for computer enthusiasts and power users
Q&A for people interested in statistics, machine learning, data analysis, data mining, and data visualization
Q&A for Ubuntu users and developers
Q&A for professional mathematicians
Q&A for students, teachers, and linguists wanting to discuss the finer points of the French language