"All things math/science/numerical/Linux."
...I hold the following certifications: Security+, Network+, LPI (Linux), Novell CLA (Certified Linux Admin.), Novell DCTS, and A+. I also have created and managed a Linux network for the last 13 years. Hindi is my mother tongue. During my bachelor's, I took 3 courses in Linear Algebra. I have studied Herstein's book. I have used fields, rings, etc...
10+ subjects, including calculus