7) and Macintosh OSX (10.4 or higher, Intel processors) (Download)

Your purchase of Vensim 5 includes free updates for one year from our website. Just check back from time to time to see what has changed.

Some highlights of recent developments:

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 fixes that improve robustness and functionality

integer allocation with ALLOCATE_AVAILABLE
import data from .xlsx files and also access them using GET DIRECT... function or GET XLS... functions on the Macintosh. Double precision data support is also available for DSS only.
GET XLS with named ranges on the Macintosh
Mac compiled simulation support and external functions and a double precision version (DSS Only).
nice additions for subscript definitions and ODBC connections

See the Release Notes for details.
Note that if you are using Windows 2000 or earlier you should download version 5.9e.

We have increased the functionality of Vensim PLE to support the creation of models with multiple views and make use of data.
There is a Polish translation of User's Guide available.
Shanghai eyDao IT Company is now our distributor for China
We have just added a new section to our website to describe what our customers are doing with Vensim. If you have something you would like to share let us know.
The Vensim Forum at http://www.ventanasystems.co.uk/forum is open to all and provides quick-turnaround technical support and discussion.