You can see all our downloads, including previous versions, on our Open Solver Source Forge site. Much of this code is still new and experimental, and so may not work for you. OpenSolver Advanced (Non-Linear): As well as the linear solvers, this version includes various non-linear solvers and support for solving models in the cloud using NEOS more info is here.

OpenSolver Linear: This is the simpler version that solves linear models using the COIN-OR CBC optimization engine, with the option of using Gurobi if you have a license. zip file before extracting the files please see the instructions below and this help item. Windows July 2016 Office Security Update Microsoft updated the security requirements for add-ins in July 2016. However, our user Alexander reported in April 2019 that “OpenSolver works for MacOS HighSierra with the latest Excel update 16.24, but if you upgrade your OS to Mojave it no longer works.” (Thanks, Alexander.) Unfortunately, the late 2018 release of Excel 16.16.7 has broken OpenSolver if you can help us debug this, please email us at email hidden JavaScript is required. Make sure your version of Excel 2016 is at least 15.28 for this to work. OpenSolver for Mac: OpenSolver currently has limited support for Excel 2016 for Mac. Version 2.8.3 of OpenSolver includes initial support for Excel 2016 for Mac, and supports model creation and modification, as well as solving with the CBC and Gurobi solvers. (Older versions worked with Excel 2003, but we don’t test this any more.) On Mac OS X, it should work using Excel for Mac 2011 with any version of OS X newer than 10.7.

On Windows, OpenSolver should work with Excel 2007 and later we test it on 32 and 64 bit Windows 7/10 in Excel 2010/2013/2016. Both versions are available for Mac and Windows. OpenSolver comes in two versions, a simpler “linear” version and an “advanced” (non-linear) version with support for more solvers, including non-linear solvers. You can also use the built-in update checker to keep up-to-date with the latest release. Please check out the blog page for release details. OpenSolver is updated whenever new features are added or bugs fixed.

Please let us know if they are any issues or problems that you have encountered by commenting on the bottom of the OpenSolver 2.9.4 post. Free feel to read the release notes for the changes and new features added. Analytics is a free online magazine covering the wider world of optimisation and data analysis.ġ5-January-2021: We have recently released the beta version of OpenSolver 2.9.4.

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