This application is developed by a teacher to students. Experience shows that to be successful, it is not necessary to be a genius. It just takes knowledge, methods to apply knowledge and learning from mistakes and never make them.

2 has it all:

Effective instruction:
- All course, the form of questions for self-testing
- Remarks, explanations of often obscure points for students
- The prerequisites to master
- The means by which
- The classic mistakes to avoid

Optimized application, no frills to be fast and efficient:
- Non mastered issues appear first, to review easily
- The questions that seem useless can be put away or erased
- You can add your own items
- Everything is accessible with a simple search

In short, everything you need to not only win two points, but also learn how to learn effectively!