Implementation of different information technologies in the studying process continues to be relevant. In a higher school new forms and methods of training, focused on the use of internet technology are being developed. The paper discusses the possibility of using distance learning technologies via Moodle shell, describes how to use the basic elements of e-learning course. The results of testing of e-learning course compared with the classic statement of the course of complex variable theory for full-time students of Mechanics and Mathematics Faculty, specialty "Applied Mathematics", are provided. One of the form of blended learning is described. The analysis of the effectiveness of blended learning for students of mathematics was performed.