Editorial Policy
How we create, review, and maintain content on Sig Figs Calc.
Our accuracy standard
All content on Sig Figs Calc is written and reviewed to match the significant figure conventions taught in standard high school and university chemistry and physics courses. We reference established general chemistry curricula and IUPAC-aligned measurement conventions.
Review process
Every page on this site — including calculator logic, rules pages, examples, and FAQs — is reviewed before publication. We check factual accuracy, rule consistency, and clarity of explanation. Pages are dated with their last review date.
Calculator logic
The calculator uses a rule-based algorithm documented in our Methodology page. The algorithm is tested against known examples from chemistry textbooks. Edge cases (like 1000, 0.0005) are explicitly handled and documented.
Corrections policy
We take errors seriously. If you find a mistake — in the calculator output, in a rules explanation, or in any example — please contact us. We will review and correct the content within 5 business days and update the page's review date.
Independence
Sig Figs Calc is editorially independent. We do not accept paid content, sponsored rules, or affiliate arrangements that would influence the accuracy of our educational content.
Scope
This policy covers all pages under sigfigscalc.com including the calculator, rules, examples, rounding, operations, scientific notation, FAQ, and number-specific pages. Trust and legal pages (Disclaimer, Privacy Policy, Terms) are maintained separately.
Last updated: April 2025