About Calc

What this site is

A library of calculators whose every number is computed by a formula in the site's own code, never by a language model. Each constant a formula uses is traced to the published standard, table, or paper it came from, and that source is listed on the page. Give a calculator the same inputs twice and you get the same answer twice.

The written explanation around each calculator is machine-drafted from those cited sources and checked by automated gates before it publishes. How we review lists exactly what is checked, and what we do not claim.

Who publishes it

Calc publishes and operates this site. No page is written or signed off by a named individual expert; the "Editorial Team" and "Methodology Review" credits you see on a calculator name a role, not a person.

Reporting a mistake

If a number looks wrong or a source is broken, go to the report section of How we review. It explains what to check first; this deployment has no feedback form enabled, so use the contact route your operator publishes alongside the site.

Privacy describes what this site stores on your device.