JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Our Power Tools menu has been replaced with Widgets. Type calculator into the search box and widgets associated with that functionality will be displayed, as follows:
After inserting the Calculator widget, you will probably need to increase its height:
If you wish further help with this or anything else JotForm related, please let us know.
I'm sorry i didnt explain myself properly and posted another question, it isnt a calculator i wanted. I wanted to do a calculation in the background
You can use the calculated fields to perform calculations in your form. What you need to do is add a calulation field function on the field you want a result on.
You can find this option by clicking on the gear icon on the selected field and selecting calculation field.
On my example I will be adding the first 2 fields:
As you can see on my form, inserting numbers on the value fields yields a sum on the total field.
Example Form: https://secure.jotform.co/form/33545264985869
Kindly let us know if you need further support. Thank you.