Terms of Use

Use of the tools

These calculators supply mathematical outputs from the values you enter. Check units, dates, assumptions and rounding before relying on a result.

Estimates and professional decisions

Financial calculations are estimates and do not evaluate suitability or eligibility. Health calculations are educational measurements and do not diagnose disease or prescribe treatment. Engineering tools do not certify a design or code compliance.

AI explanations

AI answers can be inaccurate. Verify significant calculations with the corresponding deterministic tool and an authoritative source where needed.