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Questions & Corrections
Get in Touch
Found a formula error, spotted a wrong number, or want a calculator that does not exist yet? Send a message — corrections are especially welcome, and they get priority.
The form is the way to reach us
Messages go straight to the person who maintains this site. We do not publish the address, to keep it out of the hands of scrapers.
Response Time
This is a one-person project, so replies usually take a few days. Reported calculation errors are looked at first.
About This Project
An independently built, free financial calculator suite. Not a firm, and not a registered financial adviser.