The list of elective courses can be seen here. A brief introduction concerning this as well as answering your questions will be held next week, on Friday, February 23rd, at 10:00, Ny110.
For those from a distance, you can join the discussion from PC, Mac, Linux, iOS or Android: https://sunet.zoom.us/j/7704423981
(if you are using ZOOM for the first time, you will be asked to install it on your computer. For smartphones, you can find and install the app on Play or Appstore.)