We would like to hear from you — whether you have found a mistake, want a calculator we do not have yet, or have a question about how a result was worked out.
Email: hello@calculatorpeak.com
We usually reply within two working days.
Reporting a problem with a calculator
Please include the calculator’s name or address, the values you entered, the result you got and the result you expected. That lets us reproduce the problem quickly.
We cannot give personal financial, medical or legal advice, but we are always glad to explain how a calculator works.