*Senior Lecturer, Department of Descriptive Geometry and Engineering Graphics, Bukhara Engineering Technological Institute, Uzbekistan
Online published on 1 June, 2021.
The article is devoted to the cultural scientific heritage of the great scientists of Central Asia, their contribution to modern natural science. The scientific views of the follower of Mirza Ulugbek Jamshid Al-Kashi in the field of geometry are substantiated. A scientific analysis of the design of domes and arches is given on the basis of the book "The Key of Mathematics" by Jamshid Al-Kashi. With the help of AutoCAD, the scientific views of Al-Kashi and his reflections in the field of geometric structures are justified.
Key of Arithmetic, Manuscript, Geometric Constructions, Arch, Conjugation, Tangent
