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==See also==
==See also==
* [[ban (information)|ban]]
* [[ban (unit)|ban]]
* [[bit]]
* [[bit]]



Revision as of 05:20, 31 August 2014

The hartley (symbol Hart) is a unit of information defined by International Standard IEC 80000-13 of the International Electrotechnical Commission. One hartley is the information content of an event if the probability of that event occurring is 1/10.[1] It is therefore equal to the information contained in one decimal digit (or dit).

1 Hart ≈ 3.322 Sh ≈ 2.303 nat.

The hartley is named after Ralph Hartley.

See also

References

  1. ^ "IEC 80000-13:2008". International Organization for Standardization. Retrieved 21 July 2013.