Contact 5ehp.app
Have a rules edge case, feature suggestion for the 2024 or 2014 calculators, mobile UI bug report, or privacy inquiry? We read every note and prioritize keeping every calculator fast and rules-accurate.
General Inquiries & Bug Reports
Email: [email protected]
When reporting a math or UI bug, please copy and paste your Shareable Build Link from the HP Calculator so we can reproduce the exact class, level, and modifier combination immediately.
Privacy & Policy Questions
For questions about our Privacy Policy, GDPR/CCPA requests, or Google AdSense / cookie settings, email [email protected] with "Privacy" in the subject line.