Arc Map
      
      
        ArcMap is ESRI GIS software for creating and viewing maps.  
      
      
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           Data is stored on layers, coverages, or shapefiles.  
        
 
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           You can save in a database format called a GeoDatabase.  
        
 
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           The entire thing is built on com objects.  Programming with them takes some getting used to.  
        
 
      
      
        For more detail see:
      
      
        http://www.esri.com 
      
      
        -- RichardChase