Methodology
Each page is generated from one data record holding the formula, its published citation, the accepted input ranges, the reference tables displayed, and at least three worked examples.
The worked examples printed on a page are computed at build time by the identical function your browser runs, so the prose cannot drift from the arithmetic.
Before a build is published it must pass automated gates: no non-English characters, canonical and structured data present, at least 900 words of page text, no near-duplicate of another page above a 65% similarity threshold, and every published page reachable from the homepage within three links.
A page whose citation has not been checked against the original publication is marked noindex and left out of the sitemap automatically. Verification is a human step and it blocks publication.
Nothing about your calculations reaches our servers, because none of it leaves your browser.