Elementary
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Martarius
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{{wiktionarypar|elementary}}
'''Elementary''':
*Education
** [[Primary education|Elementary education]], consists of the first years of formal, structured [[education]] that occur during [[childhood]].
**[[Elementary school]], a school providing elementary or primary education. Historically, a school in the UK providing a basic education for the [[working class|working classes]].
* Fiction
** [[Sherlock Holmes]]: "Elementary, my dear [[Dr. Watson|Watson]]" (which does not appear in the books)
** [[Elementary, Dear Data (TNG episode)|Elementary, Dear Data]] is the third episode of the second season of [[Star Trek: The Next Generation]].
* Music
** [[Elementary (album)]] is the third album released by [[The End (mathcore band)|The End]], a Canadian mathcore band.
* Physics
** In [[particle physics]], an [[elementary particle]] is a particle of which other, larger particles are composed.
** The [[elementary charge]] (symbol ''e'' or sometimes ''q'') is the [[electric charge]] carried by a single [[proton]], or equivalently, the negative of the electric charge carried by a single [[electron]].
* Mathematics
** [[Elementary arithmetic]] is the most basic kind of [[mathematics]]: it concerns the operations of [[addition]], [[subtraction]], [[multiplication]], and [[division (mathematics)|division]].
** [[Elementary algebra]] is the most basic form of [[algebra]] taught to students who are presumed to have no knowledge of mathematics beyond the basic principles of [[arithmetic]].
** In [[computational complexity theory]], the [[complexity class]] [[ELEMENTARY]] is the union of the classes in the [[exponential hierarchy]].
** An [[elementary reflector]] is a vector that implements [[reflection (mathematics)]].
** [[Elementary symmetric polynomial]]s are basic building block for [[symmetric polynomial]]s.
** [[Elementary matrix transformations]] or elementary row and column transformations are [[linear transformation]]s which are normally used in [[Gaussian elimination]] to solve a set of [[linear equation]]s.
** In [[probability theory]], an [[elementary event]] is a subset of a [[sample space]] that contains only one element.
**In [[differential algebra]], an [[elementary function]] is a function built from a finite number of exponentials, logarithms, constants, one variable, and roots of equations through composition and combinations using the four elementary operations (+ − × รท).
** [[Elementary class]]
** [[Elementary embedding]]
** [[Elementary group theory]]
** [[Elementary substructure]]
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