Available with 3D Analyst license.
A variety of analytic operations can be performed on TIN surfaces. Several interactive geoprocessing tools are available in ArcGIS that provide the ability to explore TIN surfaces.
Interactive 3D Analyst tools in ArcMap
The interactive tools on the 3D Analyst toolbar in ArcMap can be used with TIN surfaces.
Interactive 3D Analyst tools in ArcScene
The interactive tools on the 3D Analyst toolbar in ArcScene can be used with TIN surfaces.
Geoprocessing tools
Geoprocessing tools that interact with TIN surfaces are kept within the 3D Analyst toolset.
For a summary of the geoprocessing tools for TIN surface analysis, see Geoprocessing tools for TIN surface analysis.