What's New?

• July 20, 2000:
  
  
  • EQS4WIN Version 2 is now available. It is free of charge customers with a valid Support Agreement (SA). For users with a lapsed SA, the upgrade to Version 2 costs only 40% of the original purchase price of EQS4WIN, and includes an extension of the SA for a year.
    
    
  • Version 2 contains a number of enhancements, including an expanded JANAF-compatible database. A significant database addition is new data for atomic ions up to 100,000K that is unavailable anywhere else. Other additional species include several organics. Click here for full details about the new database and other enhancements.
    
    
  • A supplementary TRC organic species database now available for use with Version 2. Prepared in collaboration with the Thermodynamics Research Center), this contains over 1600 organic species. Click here for a list of these.
    
    
• November 17/99: Thermodynamics Mini-Tutorial added: "Dalton's Law of Partial Pressures: Facts and Myth".
  
  
• October 1/99: Thermodynamics Mini-Tutorial added: "Chemical Reaction Stoichiometry"