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In page Dagger (mark):

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Non-death usages include:

  • The palochka is transliterated to a double dagger in the ISO 9 standard for converting Cyrillic to Latin.[citation needed]
  • In psychological statistics the dagger indicates that a difference between two figures is not significant to a p<0.05 level, however is still considered a "trend" or worthy of note. Commonly this will be used for a p-value between 0.1 and 0.05.[citation needed]
  • In mathematics and, more often, physics, a dagger denotes the Hermitian adjoint of an operator; for example, A denotes the adjoint of A. This notation is sometimes replaced with an asterisk, especially in mathematics. An operator is said to be Hermitian if A = A.[20]