$ \renewcommand{\L}{\left} \newcommand{\R}{\right} \newcommand{\hgs}[3]{\L[\begin{matrix}#1\\ #2\end{matrix};#3\R]} \newcommand{\h}[3]{\L[\begin{matrix}#1\\ #2\end{matrix};#3\R]} \newcommand{\fg}[2]{\L[\begin{matrix}#1\\ #2\end{matrix}\R]} \newcommand{\gf}[2]{\L[\begin{matrix}#1\\ #2\end{matrix}\R]} \newcommand{\F}[2]{{_{#1}F_{#2}}} \newcommand{\p}[2]{{_{#1}\phi_{#2}}} $

I like basic hypergeometric series. I was interested in Rogers-Ramanujan type identities not long ago, but I am motivated to do elliptic integrals.