Get in touch
Core-AI is a small independent site, so there is one address for everything. Email support@core-ai.app and expect a reply within a few business days.
Report a calculation error
This is the most useful email you can send. Include the page URL, the inputs you entered, the result you got, and the result you expected, with a link to the statute or agency page if you have one. Confirmed errors are fixed and the page's review date is updated.
Email an error report →Request a correction to an article
If a figure in an Insights article is out of date or a rule has changed, send the article URL and the source for the updated figure. Corrections are made in the article and noted in its review line.
Email a correction →Suggest a calculator
Describe the decision you are trying to make and the rule it depends on. Calculators get built when the rule is public, the math is checkable, and the question comes up often enough to be worth a page.
Email a suggestion →Privacy and advertising questions
Calculator inputs are processed in your browser. Advertising and analytics cookies are described in the privacy policy, which also covers opt-outs. For anything the policy does not answer, email the address above.
Read the privacy policy →