How to report an issue
Email hello@etgcalculatorpro.com with the page URL, the statement in question, why it may be incorrect, and a primary or authoritative source when available.
How we respond
- Verify the claim against the cited source and newer relevant evidence.
- Correct factual or numerical errors promptly.
- Update the page's modified date when the meaning changes.
- Add a visible correction note when an error could materially affect interpretation.
Minor edits
Spelling, grammar, accessibility, and formatting changes that do not alter meaning may be made without a correction note.
Current correction log
No material corrections have been recorded since the site's July 2026 launch edition.
For our evidence and review rules, see the editorial policy.