The guidelines are developed on the basis of the work program "Informatics" in accordance with the requirements of state educational standards of higher professional education for the training of certified specialists and related to them specialties 650000 - "Technology and Technologies" and the direction of bachelor's training 550000 - "Technical Sciences". The guidelines consider ten laboratory work with a spreadsheet processor Excel. In the process of performing these works, students will learn: to make calculations, to build diagrams, to create reports, to filter data, to solve economic problems. Works allow you to get acquainted with all the main features of Excel. The guidelines are intended for first-year students of all specialties except 210100 and 220100.