Frequently Asked Questions
Is MathMint free?
Yes. Every tool is free and works without an account. The site is supported by ads.
Is my data stored anywhere?
The numbers you type are calculated in your browser and are not sent to us. We keep basic visit statistics (page, IP address, browser, time). See the Privacy Policy for details.
How accurate are the results?
Each tool uses recognized, published formulas and is tested against worked examples before going live. Every tool page shows its formula and an example so you can check the math. See our Methodology page.
Is this professional advice?
No. Results are estimates for general information. For financial, medical, legal, tax or safety decisions, check with a qualified professional.
Do I need an account?
No. A free account is optional and only lets you save results to see them later.
Can I suggest a new tool?
Yes, please do — use the Suggest a tool page. We build the most requested ones.
I found a wrong result. What should I do?
Please tell us through the Contact page with the numbers you entered. We check every report.