Here you will find problems for practicing. Each problem has hints coming with it that can help you if you get stuck.

- Summing up series of real numbers.
- Testing convergence of series of real numbers.
- Investigating convergence and testing absolute convergence of series of real numbers.
- Convergence of sequences and series of functions.
- Region of convergence of power series.
- Taylor expansion (expanding functions in power/Taylor series).
- Summing up power series.
- Fourier series (expanding functions in Fourier series, sine Fourier series or cosine Fourier series).