ExtendSim AT 9
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ExtendSim AT 9

In stock (30 items available)

This is a prior release of ExtendSim! Use only if your colleagues are still using ExtendSim 9 or you need to maintain your model in ExtendSim 9.

Note: There is no Maintenance & Support Plan for legacy products. If you need assistance with ExtendSim 9, you will need to purchase support on a Per-Incident basis.

After purchasing ExtendSim AT 9, you will be required to pay the full upgrade cost of $1199 when you are ready to upgrade to ExtendSim DE 10 or $2699 to upgrade to ExtendSim Pro 10.



  • $2495
  • Part number

ExtendSim AT is designed for the modeling and analysis of complex systems. Adds advanced discrete event and discrete rate technology as well as Scenario Management and Advanced Resource Management.

  • Graphical, interactive, simulation package for general purpose discrete event and continuous modeling
  • Robust message-based discrete event architecture for intuitive modeling
  • Priorities, preemption, reneging, jockeying, blocking, and balking
  • Customizable attributes and rule-based routing
  • Batch and unbatch items for processing
  • Statistical analysis with confidence intervals
  • Warm-up periods with statistical clearing
  • Shifts for controlling resources and activities
  • Resource pools for optimizing constraints
  • Customizable queuing algorithms
  • Item templates for fast model building
  • Advanced Resource Management (ARM) for organization and allocation of resources.
  • Scenario Management for designing and running experiments.
  • Rate-based functionality for modeling bulk systems, such as packaging lines, chemical processes, or network traffic. Use it to specify rates of flow for any high volume or high speed system, then delay and route the flow using attributes, constraints, and rules.
  • Query Equation capability for ranking database records.
  • Includes an Add-In for editing an ExtendSim database in Excel.
  • Plus Geer Mountain's Stat::Fit for distribution fitting.
  • Plus all the core ExtendSim features (databases, data linking, hierarchy, interactivity, and so forth).

System Requirements for ExtendSim 9

  Windows Macintosh
Central Processing Unit Since simulation is processor-intensive, we recommend that your computer have a powerful central processing unit (CPU). Furthermore, as release 9 does not support multiple processors, fewer cores with faster processing speeds will execute simulations faster than more cores.
Operating System Requirements Windows: Vista / 7 / 8 / 10 Macintosh: OS X 10.4 to 10.6 only *
Note: Release 9 and earlier ExtendSim releases do not run on current Mac OS 10.7 or greater. For more details, see ExtendSim FAQs.
Processor Pentium 4 or better processor Power PC (native) or Intel processor
Hard Disk Space 300 MB
(400 MB for ExtendSim Suite)
300 MB
RAM 512 MB; 2 GB RAM recommended 512 MB; 2 GB RAM recommended
Additional requirements For ExtendSim Suite add 100 MB hard disk space and a 3D hardware accelerator card with at least 64 MB RAM A browser to view the Help

* ExtendSim 9 for Macintosh will NOT run on current Macintosh operating systems OS X 10.7+. If you are using a Macintosh with OS X 10.7 or newer, use the Windows version of ExtendSim running in Parallels or BootCamp. See ExtendSim FAQs for more details.

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