The wing net? It is a video lesson for the purpose of the school of choice pass and academic improvement intended for the small junior and senior high school students. And though such should have been understood in response to the class, it can not be solved the problem. Everyone should there be that such experience. It would be satisfied with the take lessons "input", because their own in solving the problem "output" is not enough. Wing net, and input to the class is easy to understand, also substantial exercise and confirmation test to be output. Each course of the wing nets, you can also retake many times in I do not know the part only a pinpoint. Wing nets along with the feeling that "can be!" "Solvable!", To achieve Kimi scoring force-pass power up. ※ This app is available only to students of the "wing net".