Difference between revisions of "NPr Command"

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<noinclude>{{Manual Page|version=4.2}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude>{{betamanual|version=4.2}}
{{command|CAS}}
 
 
;nPr [<Number n>, <Number r>]
 
;nPr [<Number n>, <Number r>]
 
:Returns the number of possible permutations without repetition of ''r'' elements out of a list of ''n'' elements.
 
:Returns the number of possible permutations without repetition of ''r'' elements out of a list of ''n'' elements.
 
:{{example| 1=<div><code><nowiki>NPr[10, 2]</nowiki></code> yields ''90''.</div>}}
 
:{{example| 1=<div><code><nowiki>NPr[10, 2]</nowiki></code> yields ''90''.</div>}}

Revision as of 12:35, 3 July 2012

nPr [<Number n>, <Number r>]
Returns the number of possible permutations without repetition of r elements out of a list of n elements.
Example:
NPr[10, 2] yields 90.
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