RT Journal Article SR Electronic A1 KRIEG, Jaroslav T1 VISUALIZATION OF DIFFERENTIAL FUNCTION JF Trends in education YR 2016 VO 9 IS 1 SP 175 OP 180 DO 10.5507/tvv.2016.023 UL https://tvv-journal.upol.cz/en/artkey/tvv-201601-0023.php AB The article describes how to use GeoGebra geometrically illustrate the concept of differential function and thereby make this concept to students in the basic course of mathematics at the university. The article concludes with a few examples of the application of differential.