// Contact
Contact
Operator
André Denis
Montreal, Quebec, Canada
This is a one-person project. We aim to reply within a few business days.
What we can help with
- Questions about how a calculator works
- Reporting a possible calculation or content error
- Feedback and tool ideas
- Privacy or policy questions
- Press or educational use inquiries
What we cannot provide
We cannot give personalized financial, tax, or investment advice by email. For decisions about your situation, please speak with a licensed professional.
Please don’t send sensitive financial or personal data by email. Calculator inputs are designed to stay on your device.
Before writing
You may find answers in:
- Education Center
- Glossary
- Homepage FAQ
- Disclaimer (what the tools are — and are not)
- The Editor