Mathematician with high affinity to Computer Science, Biology and Biophysics. Thus combining those fields in Computational Science.
Stack Overflow
Q&A for professional and enthusiast programmers
Computational Science
Q&A for scientists using computers to solve scientific problems
Mathematics
Q&A for people studying math at any level and professionals in related fields
Area 51
Stack Exchange Network staging zone, where users come together to build new Q&A sites
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems.
Meta Stack Overflow
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Drupal Answers
Q&A for Drupal developers and administrators
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
Server Fault
Q&A for professional system and network administrators
Cross Validated
Q&A for statisticians, data analysts, data miners and data visualization experts
German Language & Usage
Q&A for speakers of German wanting to discuss the finer points of the language and translation