Yes. Here are a few to review to see how your calculator could be customized:
FAQ Group: Custom CRE Calculator
Can I embed the custom CRE Calculator in my site?
Yes, we have an <iframe> and shortcode based option. The Valuation Calculator Settings page will allow you to create a custom shortcode for your custom URL.
The <iframe> code is setup to use on any website (not necessarily a WordPress site). Using the “white=yes” parameter in the URL will hide the main CRE Calculator header branding.
<iframe width="100%" height="1000" src="https://crecalculator.com/?white=yes"></iframe>