Rule of nines
(Redirected from Rule of 9s)
Rule of nines or rule of nine may refer to:
- Rule of nine (linguistics), an orthographic rule of the Ukrainian language.
- Rule of nines (mathematics), a test for divisibility by 9 involving summing the decimal digits of a number
- Wallace rule of nines, used to determine the percentage of total body surface area affected when assessing burn injuries
See also
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