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Ventity Beta Available

The public beta of Ventity, new simulation software, is now available – we’ve just uploaded the latest (build 573). Get it at https://vensim.com/ventity.html Ventity is new simulation software for complex systems. Key benefits include: Modularity and object orientation, supporting sectors … Continue reading

Vensim 6.3 Released

Vensim 6.3 is available for download or purchase in the Vensim Store. 6.3 emphasizes engine improvements that keep Vensim #1 when it comes to industrial strength simulation. There are also some usability upgrades, like better number formatting and placement of the workbench variable in the bottom status toolbar. Continue reading

Vensim 6.0a released

Release Version 6.0a includes fixes for several minor problems introduced with new features in Version 6.0. These include: Equation Editor Icons Optimization Excel import See the full release notes.

Vensim 6 released

Version 6.0 introduces a new look and new features, along with many bug fixes. Interface Changes Equation Editor Toolbars and Cursors Optimization Features Stochastic optimization Discrete constraints on optimization parameters Extended payoffs Markov chain Monte Carlo & simulated annealing Extended … Continue reading

Vensim 5.11 released

Vensim 5.11a Significant upgrades to the Help system, including improved indexing and nearly 100 sample models illustrating the use of built-in functions. Enhancements to the document tool and SyntheSim functionality with lookups in large models A number of bug … Continue reading