Contact Us

Have a question, suggestion, or found an issue with one of our calculators? We'd love to hear from you.

Get in Touch

For general inquiries, feedback, or business matters, reach us at:

modularwebsystems@gmail.com

We typically respond within 1–2 business days. When writing, please include:

  • Which calculator you're referring to (if applicable)
  • A clear description of the issue or suggestion
  • Your browser and device type (if reporting a bug)

Report a Bug

Found something that doesn't work right? Use the form below to let us know. Your report will be sent to modularwebsystems@gmail.com.

Please enter a valid email address.
Please enter a message describing the issue.

Feedback

We're always looking to improve. If you have ideas for new calculators, design improvements, or content suggestions, don't hesitate to reach out. Your feedback helps us build better tools for everyone.