Editing AMPL (section)

==Status history==
This table present significant steps in AMPL history.
{| class="wikitable"
|-
! Year
! Highlights
|-
| 1985
| AMPL was designed and implemented<ref name="ampl-book"/>
|-
| 1990
| Paper describing the AMPL modeling language was published in [[Management Science: A Journal of the Institute for Operations Research and the Management Sciences|Management Science]]<ref>
{{Cite journal
  | author-link1 = Robert Fourer
  | author-link3 = Brian W. Kernighan
  | title = A Modeling Language for Mathematical Programming
  | journal = Management Science
  | volume = 36
  | issue = 5
  | pages = 519–554–83
  | year = 1990
  | url = http://www.ampl.com/REFS/amplmod.pdf
  | doi=10.1287/mnsc.36.5.519| last1 = Fourer
  | first1 = Robert
  | last2 = Gay
  | first2 = David M.
  | last3 = Kernighan
  | first3 = Brian W.
  }}
</ref>
|-
| 1991
| AMPL supports [[nonlinear programming]] and [[automatic differentiation]]
|-
| 1993
| [[Robert Fourer]], David Gay and [[Brian Kernighan]] were awarded ORSA/CSTS Prize<ref>{{cite web|url=http://computing.society.informs.org/pdf/GreenbergHistory.pdf|title=ICS - INFORMS|author=INFORMS|access-date=11 August 2015|archive-date=7 October 2006|archive-url=https://web.archive.org/web/20061007164141/http://computing.society.informs.org/pdf/GreenbergHistory.pdf|url-status=dead}}</ref> by the [[Operations Research Society of America]], for writings on the design of mathematical programming systems and the AMPL modeling language
|-
| 1995
| Extensions for representing [[piecewise linear function|piecewise-linear]] and network structures
|-
| 1995
| Scripting constructs
|-
| 1997
| Enhanced support for nonlinear solvers
|-
| 1998
| AMPL supports [[complementarity theory]] problems
|-
| 2000
| Relational database and spreadsheet access
|-
| 2002
| Support for constraint programming<ref name="cp-support" />
|-
| 2003
| AMPL Optimization LLC was founded by the inventors of AMPL, Robert Fourer, David Gay, and Brian Kernighan. The new company took over the development and support of the AMPL modeling language from [[Lucent|Lucent Technologies, Inc]].
|-
| 2005
| AMPL Modeling Language Google group opened<ref>{{Cite web | url=https://groups.google.com/group/ampl | title=Google Groups}}</ref>
|-
| 2008
| Kestrel: An AMPL Interface to the NEOS Server introduced
|-
| 2012
| [[Robert Fourer]], David Gay, and [[Brian Kernighan]] were awarded the 2012 INFORMS Impact Prize as the originators of one of the most important algebraic modeling languages.<ref>{{cite web|url=http://www.informs.org/Blogs/E-News-Blog/INFORMS-Impact-Prize|title=INFORMS Impact Prize|author=INFORMS|access-date=11 August 2015|archive-url=https://web.archive.org/web/20131022091250/https://www.informs.org/Blogs/E-News-Blog/INFORMS-Impact-Prize|archive-date=22 October 2013|url-status=dead}}</ref>
|-
| 2012
| AMPL book becomes freely available online<ref>{{cite web|url=https://ampl.com/learn/ampl-book/|title=The AMPL Book: A comprehensive guide to building optimization models, for beginning or experienced users|access-date=5 March 2021}}</ref>
|-
| 2013
| A new cross-platform [[integrated development environment]] (IDE) for AMPL becomes available<ref>{{cite web|url=https://groups.google.com/forum/#!topic/ampl/y1FJcYZz-_Q|title=Google Groups|access-date=11 August 2015}}</ref>
|}