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Abstract
The content of this article is twofold. First, a selected review is given covering the calculus for factorial arrangements which was conceived by M. Zelen and introduced by Kurkjian and kavi. the review briefly summarizes how various researchers have either extended or incorporated the calculus into their work. It is divided into two main sections: (i) a discussion of results related to property (A) designs, and (ii) a discussion of results related to factorial structure. Second, a bibliography of over 80 items is presented. This bibliography has been prepared using the current indexing and abstracting journals as well as a computer-aided literature search.