Use the contact details on The Possibility Calculator's About page to report a problem.
Please include
- What you were trying to do.
- What happened and what you expected.
- Whether you were using the web app, iPhone, iPad or Android.
- Your browser or device type.
- The exact error message, if there was one.
- Steps that make the problem happen again.
A screenshot can help, but remove or cover private balances, email addresses, codes and payment information first. Never send a password, two-factor code or backup code.