At the top of the main screen in MPL the main menu resides, from which you select the actions you wish to perform.
| File | - | Open, save, and print files | 
| Edit | - | Undo, cut, copy, and paste commands | 
| Search | - | Search, replace, goto line commands | 
| Project | - | Open, save and close projects | 
| Run | - | Run solver, check syntax, and generate input | 
| View | - | View the solution on screen | 
| Graph | - | Display graph of the matrix and the objective | 
| Options | - | Change default option for MPL | 
| Window | - | Handling of multiple windows | 
| Help | - | On-line help for MPL | 
In the following pages, each menu item will now be described in full detail.