Contact us
Spotted an error, want a calculator we don’t have, or have a question? We read every message.
The best way to reach us is by email:
We aim to reply within a few business days. Helpful things to include:
- The calculator or page you’re writing about (a link is ideal).
- For a suspected error: the exact inputs you used and the result you expected.
- For a request: the type of calculator you’d like us to add.
Please note BriskToolbox provides general information only and cannot give personalized financial, legal or tax advice.