Trial version
↬ Here you find a group of educational samples (Sections and exercises). To participate in a new sample the previous sample window must be closed.
↬ You can participate in on personal computers, laptops, tablets or mobile devices.
↬ In general, it is not recommended to use mobile devices in e-learning, due to the small size of the mobile screen, which is not suitable for this type of education and hinders the learning process.
PDF files:
Beginner
Sections
Exercises
Intermediate
Sections
Exercises