About iSolveModel
Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method...
Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method with pivot as the main solver engine as well as an integrated MIP solver for 0-1 variables and integer numbers. The purpose of this application is to provide a linear programming solver for the iPad/iPhone/iPod Touch community as well as for students and teachers, particularly for those in Operations Research / Operations Management / Industrial Engineering or related courses (college/undergraduate students). Features: - Number of decision variables and constraints only limited by the available memory of the device - Sensitivity analysis reports on variable coefficients and right-hand side when solving pure linear models - Documents can be transferred via iTunes File Sharing - Mathematical models and solutions can be sent by email - Model documents are text files, no proprietary format - Solution documents as HTML - Supports all device orientations Benefits: - Affordable - Easy-to-use modeling, models are like the ones in textbooks - Fast learning curve
Version History Updated to iOS/iPadOS 17. MIP Solver upgraded to 5.7.1 4.1 12/20/2023 Updated to iOS/iPadOS 14. Minor bug fixes. 4.0 11/13/2020 iOS 13 update including dark mode and icons as SF Symbols. 3.9 06/28/2020 Bug fix when exporting a solution. iCloud support for model and solution file management. Horizontal scrolling of solution is fixed. Dark mode is supported if the app is run under iOS 13. 3.8.1 03/04/2020 Compatibility with iOS 12.4 so this update supports non-iOS 13 iPhone/iPad models. 3.8 02/14/2020 Improved sharing (importing a model text file into iSolveModel); improved file management (can change file's name or delete a file by swapping); fix issue when showing constraints solution on iPad. 3.7 09/14/2017 iOS 10.3 compatibility; standard sharing; MILP engine solver SYMPHONY updated to 5.6.14. 3.6 06/19/2017 iOS 7 compatible and MILP engine update. 3.5 11/30/2013 Fixed a bug when trying to import/export via iTunes File Sharing. 3.4 11/30/2012 Compatibility with iOS 6.0 3.3 09/19/2012 Bug fix when exporting a solution with iPhone/iPod Touch device. 3.2 05/24/2012 - Universal version: Now you can solve MIP on iPhone and iPod Touch devices as well as on your iPad - Fixed issue when creating a model 3.1 04/13/2012 A mixed-integer linear (MILP) engine solver is integrated within the app, it is now possible to solve mathematical models having binary and integer variables as well as lower and upper explicit bounds. Bug fix for external display support on iPad first gen. 3.0 03/02/2012 Upgrade to iOS 5 and new user interface. 2.0 11/18/2011 Support of external display. 1.1 09/14/2010 1.0 08/23/2010
Previous Versions
Here you can find the changelog of iSolveModel since it was posted on our website on 2016-09-27 11:06:41.
The latest version is 4.1 and it was updated on 2026-06-23 00:57:55. See below the changes in each version.
iSolveModel version 4.1
Updated At: 2026-05-29
Changes: Version History Updated to iOS/iPadOS 17.
MIP Solver upgraded to 5.7.1 4.1 12/20/2023 Updated to iOS/iPadOS 14.
Minor bug fixes. 4.0 11/13/2020 iOS 13 update including dark mode and icons as SF Symbols. 3.9 06/28/2020 Bug fix when exporting a solution.
iCloud support for model and solution file management.
Horizontal scrolling of solution is fixed.
Dark mode is supported if the app is run under iOS 13. 3.8.1 03/04/2020 Compatibility with iOS 12.4 so this update supports non-iOS 13 iPhone/iPad models. 3.8 02/14/2020 Improved sharing (importing a model text file into iSolveModel); improved file management (can change file's name or delete a file by swapping); fix issue when showing constraints solution on iPad. 3.7 09/14/2017 iOS 10.3 compatibility; standard sharing; MILP engine solver SYMPHONY updated to 5.6.14. 3.6 06/19/2017 iOS 7 compatible and MILP engine update. 3.5 11/30/2013 Fixed a bug when trying to import/export via iTunes File Sharing. 3.4 11/30/2012 Compatibility with iOS 6.0 3.3 09/19/2012 Bug fix when exporting a solution with iPhone/iPod Touch device. 3.2 05/24/2012 - Universal version: Now you can solve MIP on iPhone and iPod Touch devices as well as on your iPad
- Fixed issue when creating a model 3.1 04/13/2012 A mixed-integer linear (MILP) engine solver is integrated within the app, it is now possible to solve mathematical models having binary and integer variables as well as lower and upper explicit bounds.
Bug fix for external display support on iPad first gen. 3.0 03/02/2012 Upgrade to iOS 5 and new user interface. 2.0 11/18/2011 Support of external display. 1.1 09/14/2010 1.0 08/23/2010
iSolveModel version 4.1
Updated At: 2023-12-20
Changes: Updated to iOS/iPadOS 17.
MIP Solver upgraded to 5.7.1
iSolveModel version 4.1
Updated At: 2023-12-20
Changes: Dec 20, 2023
Version 4.1
Updated to iOS/iPadOS 17.
MIP Solver upgraded to 5.7.1
iSolveModel version 4.0
Updated At: 2020-11-13
Changes: Nov 13, 2020
Version 4.0
Updated to iOS/iPadOS 14.
Minor bug fixes.
iSolveModel version 3.5
Updated At: 2010-08-26
Disclaimer
Official App Store Link
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