PIEs are used to:

 

• Fully interface and automate the use of numerical models
  
  
• Incorporate Geostatistical interpolators.
  
  
• Convert units and transform coordinate systems
  
  
• Incorporate external automatic meshing engines
  
  
• Convert file formats and import data
  
  
• Scientifically visualize data using external packages
  
  
• Incorporate mathematical and numerical libraries