Contact
Report an error, suggest a calculator, or ask a question.
Email us
The best way to reach us is by email: sahajtools@gmail.com.
What to write to us about
- A calculation you believe is wrong. Please include the inputs you used and the result you expected.
- A calculator you would like added.
- A problem with the site, such as a broken link or a page that does not display properly.
- General questions about how a calculator works.
What to expect
We read every message, but we are a small operation and cannot promise a reply time. We cannot provide personal statistical consulting, review your study design, or interpret results for a specific decision. For that, please consult a qualified statistician.
Please do not send sensitive personal information, such as health records or financial account details.