School math lessons seem gloomy and boring? Parents can't help with homework? Is the teacher explaining too hard? Do you know that mathematics is one of the most necessary sciences today? Without it, it is impossible to build a house, create new technologies. Even art often turns to this fascinating science. Needless to say, without this knowledge in the modern world it will be difficult to find a decent job?

However, how to overcome boredom and understand that in fact mathematics is not so boring and complicated? With the book by Boris Elkin “Mathematics on the fingers. For those who haven't found X, you'll find out that there's really no need for a particular mindset, tedious learning, and wandering through a lot of rules. Inside you will find answers to questions that previously seemed too complicated. Believe me, the answers are much easier. It is enough to open this book, and by the end of reading it, you will understand what was previously incomprehensible!

Boris Elkin is a teacher of mathematics and supervisor of diploma projects for students of Moscow State University, Moscow Power Engineering Institute and Moscow State Technical University. Bauman. Repeatedly became the winner of the competition "Grant of Moscow". Author of the book "Mathematics. For those who haven't opened the textbook.