 Hi, I'm Zor. Welcome to Unisor Education. In a couple of words, I would like to talk about what is Unisor and what's the purpose of this. Basically, two questions I would like to address. Why you need it and how it works. Well, let's start with why you need it. I will probably start with certain criticism of many of existing educational systems. On one of the blogs which I participate, somebody wrote an extremely precise characteristic of an educational system which many schools are utilizing. It's mile-wide and each deep. It means that lots and lots of materials are covered, topics of mathematics. However, people do not really spend any time going any deeper into each topic. They just learn the facts. Now, facts are an interesting thing, of course. But if you think about what exactly will be used in the real life, well, not too many. I mean, I was working for a very long time as a computer specialist, a financial specialist. I don't remember a case when I had to solve quadratic equations or use properties of right triangles or Pythagorean theorems, etc. So, it's not practical, right? At least for most people. And students really feel that these topics which there are taught in school are not really that practical. And they lose interest, basically. So, the usefulness of putting so many different facts into a student's head is really, really very limited. What I believe is significantly more important is to use mathematics as a tool to develop mind. People go to gym and they pull weights and they use tracks or springs or whatever else they're using. All these tools, it's completely unrelated to their practical life. However, they use these tools to develop their muscles, stamina, health, whatever. Now, in case of mathematics, this is probably the most perfect tool to develop your mind. Your logic, your analytical abilities, your creativity. By the way, creativity is extremely important because math is completely artificial. Math is an ultimate form of art. That's how I feel. Because everything is done, well, basically the actor on the scene or a sculptor, they are creating the objects. Math is all creation of the minds of different people. So, mathematics is needed as a tool to develop your mind. And how can you do it using the mathematics? Well, if it's just a bunch of facts, then you memorize them and then you forget them. That's basically if mind is not developed this way. Now, the mathematics can develop your mind only in case you prove the theorems, you solve the equations, you solve the problems. There are so many numerous problems in mathematics. It's just unbelievable. There is no other subject which will challenge your mind as much as mathematics. So, mind developing is the most important. And Unisor.com is the site where I devote as much attention to problem solving as possible. So, there is educational, theoretical material and a certain number of facts as well. But these are necessary as an introduction of certain concepts and language used in the problems. To state the problem and to explain the solution. Actually, my initial purpose was, initial plan for Unisor was just to give a bunch of problems, their solutions and a certain number of problems for self-study. But then I just realized that without theoretical material I can't really talk about these problems. So, there is theory and there are some facts on this site. But this is not the most important. The most important is the problems, their solutions, exams, etc. So, that's why you need it. By the way, I don't know any other site which in a very complete and concise form presents all the magnitude of problem solving part of the mathematics. So, I think it's a very useful thing and I hope people will use it as a tool to develop their minds. That's the purpose. That's the goal. That's why you need it. Now, how it works? A couple of words about how it works. Well, obviously anybody can just go to the site and on the left there is a menu of certain items which you can learn. Just go one by one. If you are such a self-disciplined person, you can go through theoretical lectures and then go to problem solving lectures, etc. You will not be able to take exams, for instance, but that's okay. Now, if you are registered, then there are three different categories of users who can register. Well, obviously the first category is student. That's the person who will actually learn something and take exams. Then there is a category of the person who I conditionally call a parent or a supervisor. This is the person who basically controls the educational process. So, if he is registered as a parent or a supervisor of a student, then he can enroll that student into a specific topic, take a look at the exam. How the student actually scored on the exam and mark the courses completed and then enroll into the next course. So, basically you are controlling. If you are a parent or a supervisor, you are controlling the educational process of a student. And finally, there is a category of a teacher which in this particular case means a provider of educational material. Teachers using Qnesor.com are not really teach because students are basically taught and learned from the website. But teachers can supply more educational material which can be incorporated into the site after proper authorization, etc. And also there is another important role the teacher can play. Teacher can be the person, the parent, delegate the supervisory control and function. So, if the parent doesn't want to do this, then he can delegate it to a teacher and the teacher basically can enroll a student into a specific course or a group of students. And that brings me to a concept of a flipped classroom which gains popularity right now. In a flipped classroom, teacher performs more supervisory functions and less teaching functions. Supervisory function is basically, okay, learn this, learn this, learn that. Basically giving students assignments of what to learn in form of enrolling them into specific classes. And then they can take a look at the score. They can actually explain certain things maybe a little better than I explained it on the web if they want to or are capable to. And then again, all these supervisory functions like checking the score and exams, etc. So these are three categories of users, students, parents or supervisors and teachers, providers of educational material. So they register as such and then students will just take a look at whatever they are assigned to do, whatever they are enrolled by their parents or supervisors or teachers who are delegating these functions. They learn the material, they go through theoretical material, through problem solving material, taking them on that particular course. And basically then it's up to a supervisor to basically consider this as completed and go to the next topic. So basically that's how it works. The website probably will never be completed. It's such a huge area and the number of problems which can be solved is really, really huge. So I put as much as I can right now at the moment I'm explaining this particular concepts of how it works. I would say the geometry is in a good shape almost ready. Algebra is probably addressed like 50%. And there are trigonometry, there are vectors, there are other topics which I would like to address. And I will put more material into more contents into this website. But for now, basically I want to just explain how the whole thing is working, why do you need it and how it works. And welcome to Unisore Education.