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 Is NPR the same button as prb

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Is NPR the same button as prb

 May 20, 2015

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 #1
avatar+129609 
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nCr   = combinations  key

 

nPr   =  permutations  key

 

 

 May 20, 2015

1+0 Answers

 #1
avatar+129609 
+5
Best Answer

nCr   = combinations  key

 

nPr   =  permutations  key

 

 

CPhill May 20, 2015

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