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A flexible modelling environment for hard engineering and science problems.

ASCEND IV is an object-oriented mathematical modeling environment, with similar functionality to programs such as GAMS, AMPL, Aspen, or Dymola. If can be used to solve difficult non-linear systems of equations and to plot dynamic behaviour of such systems. Although ASCEND has primarily been developed by Chemical Engineers, great care has been exercised to assure that it is domain independent. ASCEND can support modeling activities in fields from Architecture to (computational) Zoology.


Manual at


Download version 0.9.8 (stable)
released on 30 April 2012



LicenseVerified byVerified onNotes
GPLv2Ted Teah18 September 2006

Leaders and contributors

Jerry St Clair Contributor
John Pye Contributor
John Pye Maintainer
Art Westerberg & many others Contributor

Resources and communication

Audience Resource type URI
Developer E-mail
Support E-mail
Developer VCS Repository Webview
Bug Tracking VCS Repository Webview

Software prerequisites

Kind Description
Weak prerequisite IPython
Required to build Scons
Required to use Python
Weak prerequisite xgraph
Required to build Yacc
Required to use Numarray
Weak prerequisite tktable
Required to build Lex
Required to use Tcl/Tk
Source requirement Glade
Required to build GCC
Required to use Matplotlib
Required to use GTK+
Weak prerequisite matplotlib
Required to build SWIG
Required to use PyGTK

This entry (in part or in whole) was last reviewed on 26 December 2016.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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