English with LinguaLeo is a program for an Android phone or tablet that can help a person learn English in any convenient place: be it in line to see a doctor, in a traffic jam, or just while riding public transport. The program
Electrician's tool
Analysis of the poem "October 19"
The course is a studio video recording of the first half of the first semester of lectures on mathematical analysis as they are given at the Academic University. Over the course of 4 modules, students will become familiar with the basic concepts...