Surfer 21 Released
There are many very exciting new features in Surfer v21! The focus was on increasing usability, improving workflows to increase time savings, and including the most popular new features requested. The top new features are listed below.
A more complete list of the new features can be found on the Surfer Version History page..
Full list of improvements: 
PDF
A small sample of the new featires of Surfer 20:Display 3D polygons, 3D polylines, and 3D polymesh objects in the 3D View
- Display 3D polygons, 3D polylines, and 3D polymesh objects in the 3D View
- Exporting to 3D PDFs
- Calculate area and volume between contours
- Display high resolution imagery without the alpha channel
- Work with 3D polylines and 3D polygons in the 2D View
- New functions available via automation
- DXF Export: option to export LWPOLYLINE with no ZLEVEL (2D flat polylines)
- many more!
Surfer