The textbook "Student Engineering Specialties: Using the EXCEL Application" is aimed at students in technical fields at universities and provides comprehensive knowledge about the use of the spreadsheet program Excel. It covers the theoretical foundations necessary for understanding the specific applications of Excel, including matrix operations, solving linear and nonlinear systems of equations, as well as creating graphs and conducting experimental data analyses. The practical exercises allow readers to apply and deepen the knowledge they have acquired. The book is suitable for students who wish to engage with Excel independently, as well as for educators seeking valuable theoretical and practical content for their teaching.