# 10. Cython: basic language constructions (part 2)

- Questions?
- Upcoming topics:
- Numpy -- numerical n-d arrays of data
- Databases: SQLite (and SQLalchemy), Mongodb (a noSQL database).
- Sage development: debugging, profiling, modifying the sage library, using trac
- Interfaces: using Octave, Matlab, Mathematica, Maple, R, etc., from Sage.
- Elementary number theory: primes, prime factorization, integers modulo n, continued fractions, elliptic curves
- Statistics: using R in Sage, quantitative finance
- Calculus: symbolic expressions, Taylor series, numerical and symbolic integration

- Lecture: Today, we will continue from where we left off last time with Cython. Ask questions.