Found a bug or a wrong calculation? Tell us and we will fix it. Include your browser, your device, and the numbers you entered so we can reproduce it.
This opens your email app with the report pre-filled. We read every report.
Updated: October 2026
Found a bug or a wrong calculation? Tell us and we will fix it. Include your browser, your device, and the numbers you entered so we can reproduce it.
This opens your email app with the report pre-filled. We read every report.
Updated: October 2026