Definition: In Islamic mathematics, "chevret" is a term used to denote the operation of forming a circular arrangement or knot. It can be defined as a type of knot in which two or more circles are connected together and twisted to form a single circle. The specific shape of a chevrette knot depends on the number of circles and their positions within each other. A common example is the "fourth Chevrette" knot, where four circles are tied together at their ends, forming a