for example, we can here. we can see different organelles: mitochondria, golge apparatus. a half million pieces of educational content, including 160,000 interactive applications, 13,000 lesson scenarios, 35,000 tests, as well as 400 textbooks, 200 workbooks and 42 virtual laboratories. new sections are constantly appearing on the platform; here is a very recent application that helps high school students prepare more effectively for the unified state exam in mathematics. the system can be adjusted for each child, depending on what score the student is applying for. here is the level for professions are simpler, that is, this is the mathematics that is necessary in order to simply engage in funny disciplines with mathematics. and this is another level for creativity. this is for those guys who are planning to, well, move science forward, there are other tasks here, they are sometimes very different, there are a lot of practical tasks here, similar to those that will be in the unified state exam, you can solve them for hours, schoolchildren call this training , for example,