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Vensim 7 Release

Vensim 7 is available for download or purchase in the Vensim store. This includes several significant new features, including: – Interactive sensitivity runs in Synthesim – Percentile export for sensitivity runs – Calibration payoffs can now compare model variables to … Continue reading

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