Contact MarkCalculator
If you have a question about MarkCalculator, find an error in a calculator, notice a broken link, or have a suggestion for a new tool, you can contact us by email.
We appreciate useful feedback because it helps us find problems and improve the website.
What Can You Contact Us About?
You can contact us about matters such as:
- Calculator errors or unexpected results
- Incorrect or outdated information
- Broken links
- Problems using a calculator
- Suggestions for new calculators
- Questions about the website
- Privacy-related concerns
- Copyright or content concerns
- Other website-related issues
Reporting a Calculator Problem
If you believe a calculator is not working correctly, please include the calculator name in your email and briefly explain the problem.
If possible, include the inputs you used and explain what result you expected. This can make it easier to understand and investigate the issue.
Suggestions and Feedback
If there is a calculator you would like to see on MarkCalculator, you can send us your suggestion.
Please describe what the calculator should calculate and, if you know it, the type of formula or information it would need.