The application is designed for students of full-time and correspondence courses for high school students, for those who want to learn or to repeat or to learn how to calculate the derivatives of functions of several variables. It may be used alone as a textbook and problem book at the same time, and in addition to textbooks and problem books recommended by the institution.
This application contains the required minimum theoretical information, detailed analysis of solutions of typical examples, a set of more than 100 problems with answers in an analytical form for self-development techniques of differentiation and control work.
It is recommended to repeat the theory of limits, derivatives of functions of one variable in applications MatAn.Predely and derivatives. Mat.analiz.

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The application is designed for those studying one of the main branches of mathematical analysis - "Derivative and differential functions of several variables."
The main purpose of this application is to assist students in mastering key theoretical points and techniques of differentiation, as well as practical skills in getting solutions most common tasks on the calculation of derivatives and differentials of functions of several variables.