Discrete mathematics is the study of mathematical structures that are fundamentally discrete rather than continuous. This is the required subject for all mathematic or informatic students. This application can be use as a reference or textbook to study this kind of subject. In our applications, we include tutorial in those sections:

- Basics of algrebra
- Base number
- Logical equivalance
- Recurrence relation
- Boolean algrebra
- Graph
- Tree
- ...