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Welcome to the GAMS Home Page!

The General Algebraic Modeling System (GAMS) is a high-level modeling system for mathematical programming and optimization. It consists of a language compiler and a stable of integrated high-performance solvers. GAMS is tailored for complex, large scale modeling applications, and allows you to build large maintainable models that can be adapted quickly to new situations.

• An Introduction to GAMS
• Documentation (including FAQ)
• Contributed Documentation
• Presentations, Books, Advertisements, and Posters

• Download Current GAMS System
• Download Older GAMS Systems
• Contributed Software

• Courses and Workshops
• Mailing List, Google Group, and Newsletters

• The GAMS World
• Solution Specialists
• Other Sites on the Web

What's new on our Web sites?

• 01/18/2016: The distribution 24.6.1 is available for download. Here are the release notes.
• 12/18/2015: The BETA distribution 24.6.0 is available.
• 11/27/2015: The distribution 24.5.6 (MR) is available.
• 11/26/2015: The distribution 24.5.5 (MR) is available.
• 10/16/2015: The distribution 24.5.4 (MR) is available.
• 10/02/2015: The distribution 24.5.3 (MR) is available.
• 09/30/2015: The distribution 24.5.2 (MR) is available.
• 09/25/2015: The distribution 24.5.1 is available.
• 09/03/2015: A talk from the OR2015 - International Conference on Operations Research has been added to the Presentations page.
• 08/26/2015: The BETA distribution 24.5.0 is available.
• 07/07/2015: Issue 37 of Bruce McCarl's GAMS Newsletter is available.
• ... older news.