In this article, we briefly introduce the software Graph4.3. It is suitable for colleagues, students, and students who want to get acquainted with this very fluent software for the first time. The efficiency of this software is that due to the small volume, it can easily draw diagrams, obtain the equation of the tangent and vertical line, the area under the curve, the derivatives of the function in the desired number of times, the length of the arc in the desired interval and calculates in each part of the curve the desired point coordinates.
