Professionele software
Here are some screendumps to give you an idea of the program.

In this screen you can edit / enter your questions and answers:

This function is used for fast training without much typing:

By quick selecting an option you can train yourself without having to type the answer completely every time:

Using this function you learn it yourself the best, but you have to type in the answer completely every time. It is very useful in the last stage of drilling.

After each training session the graph will be supplemented with the last results, showing your progression.
