Have a question, a suggestion, or feedback about CalculaX? We’d love to hear from you.
Whether you’ve encountered a technical issue, spotted an error in one of our calculators, or have an idea for a new tool, please send us a message using the form below.
General Inquiries
Questions about CalculaX, our tools, or how to use our calculators.
Technical Support
Having trouble with a calculator or a website feature? Tell us what happened so we can investigate.
Feedback and Suggestions
Have an idea for a new calculator or an improvement? We'd be happy to hear your suggestions.
Content Corrections
Found a mistake or outdated information? Please let us know so we can review it.