Legal notice

CalCentral is an information society service provided from Portugal. The provider details above are given under Decreto-Lei n.º 7/2004, which transposes the EU Directive on electronic commerce (2000/31/EC) into Portuguese law.

Contact

You can reach the provider by email at contact@calcentral.org. To report a mistake in a calculator, use the “Report an error” link at the bottom of any page.

Responsibility for content

The calculators and articles are written and checked by Rich. How formulas are verified and how mistakes are corrected is described in the editorial policy, linked at the bottom of every page.

Links to other websites

Calculators cite their sources with links to other websites. The provider has no control over those sites and is not responsible for their content.