I'm a software developer interested in the recreational side of mathematics.
Mathematics
Q&A for people studying math at any level and professionals in related fields
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Stack Overflow
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Science Fiction & Fantasy
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Programmers
Q&A for professional programmers interested in conceptual questions about software development
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Physics
Q&A for active researchers, academics and students of physics
Parenting
Q&A for parents, grandparents, nannies and others with a parenting role
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
