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Who runs this site

Ambient Math is an independent publication. It is not affiliated with the author of any book on everyday calculus, or with any website that author runs.

Using the information

Pages are written to help you understand and check a calculation. Published figures change; each fact carries the date it was checked. Confirm figures against the source before you rely on them. Nothing on this site is financial, tax, legal or medical advice.

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Text, tables and diagrams on this site are our own unless credited. Quotations from sources are short and attributed to their source.

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