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# Office Excel 2010 Solver Add-In

The Solver is an add-in for Microsoft Excel which is used for the optimization and simulation of business and engineering models. It solves complex linear and non linear problems and can also be used in conjunction with VBA to automate tasks.

### How To Enable The Solver Add-in

The add-in is included by default in MS Excel but kept disabled. In order to enable it, click the File Menu and choose Options.

Now, in the Excel Options dialogue box, select Add-Ins from the left sidebar and then hit the GO button next to Manage Excel Add-ins at the bottom.

What you have to do now is check the Solver Add-in option and hit OK to enable it.

### How To Access The Solver Add-in

Solver is located under the Data tab as shown in the screenshot below.

### How To Use Solver

Once you click the Solver option, it loads the dialogue box as shown below. Here you specify the parameters to run the solver.

These parameters will vary depending upon your problem, but lets see what are the most common and mandatory parameters and how they work so that you can utilize the solver in your daily life problems when needed. Followings are the three main parts of the solver which you should understand before applying the solver.

### 1. Target Cell

The target cell is the cell which will represent the objective or goal. Lets suppose a scenario in which the production manager of a firm would presumably want to maximize the profitability of the Product during each month. The cell that measures profitability would be the target cell.

### 2. Changing Cells

Changing cells are those cells, that can change or adjust to optimize the target cell. The production manager can adjust the amount produced for each product during a month. The cells in which these amounts are recorded are the changing cells.

### 3. Constraints

Constraints are restrictions/limitations that you apply on the changing cells. For example in the above scenario, the product manager can’t use more of any available resource (for example, raw material and labor) than the amount of the available resource.

That’s it, specify all of the above mentioned parameters as per your spreadsheet.  Set Objectives represents the target cell, By changing Variable Cells represents the Changing cells and you can add the constraint by hitting the Add button.

Once done with all the configuration, hit the Solve button to run the solver on your Excel spreadsheet.

1. Kalyani says:

Hi , I am also encountering the same problem with Windows 10 OS and with Ms office 2013 . I am trying to solve a problem in Simplex method in excel solver but am not able to do . It either asks for a password or says ‘ Linearity function is not established ‘ . Can anybody help me to solve this issue .

Many thanks

2. hermawan says:

wow thank you very much! appreciate :))

3. helper says:

Hey guys I had also the same problem as you but get out of this trouble when I remove my solver from excel and then I put it back my excel. Easy !

4. G7766 says:

THANKS VEEEEEEERY MUCH

5. Eveliene says:

I have got the same problem: Solver asks for a password and won’t let me close Excel. I have legal version of Office 2010 and Windows 7, and have an up-to-date virus scan. Any suggestions?

6. Manubabe says:

I need the Solver in german language…can you help me to switch it up

7. pach says:

8. Ricardo says:

I use solver in the past.
For quick develope i use what’sbest from www.lindo.com , cut the time on design, easy to re-adapt problem.
WB like solver resolvea linear / nolinear solver, but the interface make the diference.

9. HOP says:

I changed office from 2003 to 2010 since than I can~t find the solver function. Does any body know how to activate the solver under 2010 office. Thanks.

10. Oriol Llobet says:

Simply: The same SIMPLEX works on Excel 2003, but unable to solve it in Excel 2010. Does’nt work. And it seems a nonsense that demand to include a password at the end, when exiting from 2010. I only manage to close this window after clicking more than 5 times on it.

11. Elizabeth says:

thanks for the help ^^

12. asm33 says:

3 months waiting for the answer…

• ronaldo says:

To me solver works, try donwload beta again

13. Ivan says:

Hello,the solver in the beta version is unusable and more, when you close excel, a password box prompts, forbiding you to close excel properly without using the task manager.What can i do?

14. Paul Desroches says:

Hi, I have the same problem : when I try to use solver, it asks me for a password, and will not resolve my problem. Is there a workaround?

15. Alberto says:

Hello, when I try tu use SOLVER it ask me for a password¿?¿?working with office 2010thanks

16. Alberto says:

Hello, when I try tu use SOLVER it ask me for a password¿?¿?working with office 2010thanks

• Ruth says:

Have you already found a solution for this problem? I’ve got the same 😉

Best regards
Ruth

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