How to add a form calculation simulator?

Voces tem algum formulário que eu possa fazer como simulador. Ex. simular cotação de um seguro.

You might be interested in checking the available templates that you can use as an example of forms that has calculation on it: http://www.jotform.com/form-templates/search/calculation. You can also search for insurance quotation there.

If you would like to make your own calculation, you can do that by following this guide using the Form Calculation widget: http://www.jotform.com/help/259-How-to-perform-calculation-in-the-form.

You can also use conditional logic to make advance function or actions to your form quotation, to learn more about it you can check this guide: http://www.jotform.com/help/57-Smart-Forms-Using-Conditional-Logic 

If you needed more help on your form do let us know.

Thank you.