Contact Us
Have a question, feedback, or a calculation correction? All inquiries are handled directly by our engineering and editorial team through a single, central inbox.
Direct route to our engineering and editorial desk. Monitored Monday through Friday.
Educational, Illustrative & Informational Scope
Please note that Open Calculators is strictly an educational calculation tool and mathematical simulation platform. Our team cannot provide individualized financial advice, credit pre-approvals, mortgage underwriting, tax preparation, or customized loan recommendations.
For personalized advice regarding your mortgage, car loan, or tax liability, please consult a licensed financial advisor, certified mortgage broker, or CPA in your jurisdiction.
What to Include in a Correction Request
To help our engineering team review and update formulas quickly, please include the following details in your email to contact@opencalculators.app:
- Tool URL & Query Parameters: The complete URL including inputs (e.g.,
/calculators/finance/car-buy-vs-lease/switzerland?price=48000). - Observed vs. Expected Output: The specific monthly payment, tax calculation, or equity figure you observed versus what you calculated.
- Authoritative Citation: A link to the relevant tax statute, central bank documentation, or official regulatory standard.