Surfer 13 Released
One new map type (Viewshed Map) and several new functionalities such as improved geoprocessing tools, or graticule and grids were added to Surfer 13. Golden Software has again proved that customers are most important, as most of the new capabilities were added as a result of requests received from the users.
Surfer is a full-function contouring and surface modeling package that runs under Microsoft Windows. Surfer is used extensively for terrain modeling, bathymetric modeling, landscape visualization, surface analysis, contour mapping, watershed and 3D surface mapping, gridding, viewshed analysis, volumetrics, and much more.
Full list of improvements: 
PDF
A small sample of the new featires of Surfer 13:
- Graticule and Grid
- Viewshed Maps
- More Geoprocessing Tools
- Query Base Map Objects
- Attribute Management
- Utilize the New Welcome Dialog
- Display Lat/Lon Labels In DMS Format
- Create Image Maps with Hill Shading
- Add a Title to Your Color Scale Bar
- Display Labels in Custom Date/Time Format
- Improved WMS Connectivity
- Specify Units for Local Coordinate Systems
- SID and ECW Import Improvements
- Calculate Statistics on Range of Values
- Changing Blanking Flag when Saving Digitized Data
- Consecutively Delete Vertices when Reshaping
- Assign Coordinate System to All Unreferenced Layers
- Search for Coordinate Systems
- New Coordinate Systems and Datums
- New and Improved Import Functions
- New and Improved Export Functions
- New Automation Commands
Surfer