CONTACT
Contact
If a result differs from another calculator or software, if you found a bug, or if you need a function we do not have, please let us know at the email address below.
When reporting a bug, including the following helps us check it quickly:
- The exact expression you entered (e.g.
sin(30)) - The angle unit (DEG, RAD or GRAD) and display format
- The value you expected and the tool you compared with (e.g. Casio fx-570, Python math)
- The browser you are using
We use what you send only to reply and to fix errors.