College entrance exams, qualification exams, corporate learning ...
What can be said in common to all
This app is essential for getting satisfactory results.


The usage of this app is as follows.

1. Solve the problem book as usual.

2. Use this app to take pictures of problems you mistaken and their answers with explanations.
3. Use this app to repeatedly learn only these questions.
4. Questions that cannot be answered disappear and you can pass any exam.
5. Based on brain science, questions are displayed in the cycle that is most memorable.
6. In addition, special secret functions support your learning.

By using this app, the problems you cannot solve will disappear from the world.

You can now pass 100% of all exams.