How to do calculations based on checkboxes

Hi guys, I have a form for our school, were we are going to be offering special classes for our students, each class has a check box with the price for the class and a description, I added a Form Calculation Widget, but I don not know how to add the check boxes values? Please take a look at my screenshot, also

Please refer to our user guide on : How to Assign Calculation Value

You should be able to add the checkboxes value this way.

Let us know if you need further assistance on this.

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The other question is about a different feature. We will resolve it on another thread here https://www.jotform.com/answers/1256253

Hi Jonathan, I did your suggestion and it did not work at all. please that a look at my screenshot again, please see that the options with price values are not together, again, can you please check or inspect my form? Thank you.

It should work if you add the calculation values like this:

Then, add the formula to the calculation field:

Please give it a try and let us know if you need any further assistance.

Hi, I tried it and it still does not work, I matched what you have in your screens, I don't know if I missed something, any help will be much appreciated. Thank you very much, James

I have been testing your form and as far as I can see it calculates the total; however, I would recommend you to assign calculation values to your options since the "Calculation Values" property is enabled. 

You will find such option on the field settings, under the options tab: 

Please do the same with all the check boxes included in your calculation. Also, set up the value with numbers only, using other characters may generate conflict at the moment of the calculation. 

I hope this helps. 

Great is working now, thank you, just one more thing, is there a way for the Total field to have as a default the dollar sign character "$", so when the total prices are added the dollar sign is in front of the numbers?

You just add a new "Conditional Logic" using UPDATE/Calculate Field. Then follow the image below.

It is also advisable to set your "Total" field as "Read-only" to prevent your customer from editing the total value.

@jabedoya60, 

In order to better assist you and avoid confusion, I've moved your questions to different threads, we will help you as soon as  possible on the following threads: 

https://www.jotform.com/answers/1258122

https://www.jotform.com/answers/1258121 

Thanks.