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Contact

The fastest way to reach ExaCalculator is email: contact@exacalculator.com

What to write about

A wrong number. If a formula, a constant or a result in any calculator looks off, say which page and what you expected. Error reports are checked against sources first, before anything else, and fixed pages are updated without fuss.

A calculator we should build. Tool suggestions are welcome, especially ones where the answer ends in something you buy. Say what you would measure and what you need the result to be.

Everything else. Business questions, corrections to wording, accessibility problems, if the site failed you on a device, that matters too.

What to expect

This is a small, independently run site, not a support desk with shifts. Replies are human and usually land within a few days. There is no phone number and no postal address for the site, email is the whole front door.