Contact Calculus

Have you found an error, or do you have a suggestion for a calculator? Write to Tom Frank Christensen at kontakt@tomc.dk.

Errors in a calculation

Please send:

• The link to the calculator.
• The values and units you entered.
• The result you got, and what you expected.

A screenshot can also help. Do not send national identity numbers, account details or other sensitive information.

Suggestions and cooperation

You can also write with requests for new calculators or questions about possible cooperation. Briefly describe what your message is about.

How your email is handled is described under Privacy.