The number systems - easy to understand

There are endless number systems: In addition to the decimal system, there is the dual, quarter, octal and hexadecimal systems, as well as others. How are numbers from one number system to another converted - even fractional numbers? For teachers, this script is a great lesson preparation, for learners, a suitable material for self-study. 23 pages with 37 tasks, including calculation paths and solutions. Translation from German.