Difference between revisions of "User:Temperal/The Problem Solver's Resource7"

Revision as of 21:17, 5 October 2007

The Problem Solver's Resource

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The factorial of a number $n$ is $n(n-1)(n-2)...(1)$ or also as $\prod_{a=0}^{n-1}(n-a)$ ,and is denoted by $n!$ .

Also, $0!=1$ .

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 ==Factorial==
-The factorial of a number <math>n</math> is <math>n(n-1)(n-2)...(1)(0)</math> or also as ,<!--coming-->, and is denoted by <math>n!</math>.
+The factorial of a number <math>n</math> is <math>n(n-1)(n-2)...(1)</math> or also as <math>\prod_{a=0}^{n-1}(n-a)</math>,and is denoted by <math>n!</math>.
+Also, <math>0!=1</math>.
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