Blue Marble Geographics is pleased to announce the release of a fully managed .NET version of the GeoCalc 6.6 software development kit (SDK). Now .NET developers can get all of the accuracy and power of the GeoCalc toolkit in a fully managed .NET control. Blue Marble's geospatial data manipulation, visualization and conversion solutions are used worldwide by thousands of GIS analysts at software, oil and gas, mining, civil engineering, surveying, and technology companies, as well as governmental and university organizations.