This is knowledge you normally have obtained through prior training at for example high school or college. In hydrography further education is built upon these subjects (more in-depth).

Mathematics preparation

These are the pre-liminary tests before going to other e-learning modules and / or the Cat-B course in the Netherlands.

Physics preparation

These are the pre-liminary tests before going to other e-learning modules and / or the Cat-B course in the Netherlands.