Contact

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Reporting an error

To help us fix it quickly, please include:

The name or reference of the formula, for example “Ohm’s law” or MEC-93, or the address of the page.
What you expected and what the page shows, with the input values you used.
A source for the correct version, if you have one.

If a formula you need is missing, or an explanation could be clearer, tell us what you were trying to do and we will consider it.

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