Abstarct: In recent decades, and applied to environmental issues has increased. One of these types of issues, problems locating the key indicators of progress and industrialization in a society. location causes the unit to reach its goal of profitability and does not want to stay open. Issues such as deployment server for one or more points according to the number of requests that applicants have the lowest cost and most profitable of these issues are. Also Complex issues such as selection of an airport emergency centers, hospitals, power plants, landfill sites, the game, transportation terminals, nuclear laboratories, chain stores and ... Locate large-scale problems. In this thesis the exxpression and error method of classification, one of the ways we solve problems of large-scale positioning. The basic concepts of positioning and define aggregation. Innovative methods of classification in Chapter 3 and hexagonal tiling and tiling patterns with a few models have been reviewed and new methods into the fourth consecutive season in the bottom of the box and explaining the algorithm, it also with innovative methods of numerical comparisons are hexagonal.