Support

Need help with a calculator result, an iPhone app, or a bug report? Reach out and include the tool name, inputs you used, and what you expected to see.

Contact

• Email: buemgames@gmail.com
• Form: Support form

App support

For App Store apps, you can also reply to purchase receipts or use the in-app support links when available. Describe the device and iOS version when reporting crashes.

Web calculators

Results are planning aids. If something looks wrong, compare against the formula section on the calculator page and tell us which inputs you used.