Editorial & Calculation Methodology

Calculty pairs interactive calculations with explanations of inputs, formulas, examples and limitations. The aim is useful comparison and learning, not an official determination or professional advice.

Calculation methods and assumptions

Each calculator has its own input definitions and calculation logic. Its guide describes the stated method and units. Worked examples use results produced from the tool’s default inputs rather than separately typed answers. Check the units, rate period and assumptions before comparing results.

Rounding affects displayed values. Real mortgage and loan costs may include fees, taxes or insurance outside the model. Currency tools use reference rates rather than live market quotes. Tax tools are simplified estimates, not filing calculations. Health, calorie and pregnancy tools use population-based or calendar assumptions that may not fit an individual.

What automated tests establish

The test suite checks calculator defaults, known-answer cases, invalid inputs and selected boundaries. Content checks also look for missing guides and duplicated introductions or FAQ questions. Coverage varies by calculator: passing tests do not prove every input combination, formula, external rule or health interpretation is correct. We do not claim independent expert certification.

Article review and AI assistance

New publication requires review for accuracy, originality, usefulness and duplication. AI-assisted article drafts and illustrations enter an unpublished queue. Review should verify numerical examples against the relevant tool and confirm that external claims have suitable references. The review checklist is a workflow control, not proof of an external audit.

“Calculty” is our publishing byline. A named reviewer or credential should appear only when genuinely supplied. Generated illustrations are illustrative, not evidence of a real person or event. Article publication and modification dates come from stored records; we do not add unsupported calculator review dates.

References and corrections

Use the linked sources on a calculator or article to check specialized assumptions. Laws, rates, guidance and conventions can change. A source link is not an endorsement or proof that the entire page has been reviewed by that organization.

Report suspected errors through Contact, choosing “Content correction” or “Report a problem.” Include the tool, inputs, units, observed answer, expected answer and the source for your expectation. Avoid personal account or financial details. Corrections should address confirmed errors without unnecessarily changing correct methods.

See About Calculty and the Terms of Use for the site’s purpose and limitations.